A．Fill in each of the following blanks with a suitable connective．
1．_________the chairman declared the ConGREss open，the band played the National Anthem．
A．Since B．After C．While D．As
2．I waited _________she came back．
A．while B．until C．if D．or
3．They set out early _________they might arrive there in time．
A．when B．which C．what D．so that
4．_________I am concerned，he knows nothing about it．
A．What B．As well as
C．But D．As far as
5．No sooner did they get to the fields _________they started to work．
A．when B．then C．than D．and
6．_________we are very careful，we can't do our work well．
A．Whether B．When C．Unless D．As long as
7．_________the bell rang，all the school children rushed into their classroom．
A．The moment B．Before
C．No sooner D．If
8．The first thing _________we shall do is to work out a plan．
A．which B．what C．that D．when
9．_________he will come to the discussion is certain．
A．How B．When C．That D．Where
10．A gas has neither fixed size _________shape．
A．or B．nor C．and D．as well as
11．It has been 50 years _________I graduated from Benjamin Franklin High School in East Harlem．
A．that B．when C．since D．before
12．He glanced at the instrument panel _________saw，at last，the black numbers FLASHing on the tiny GPSscreen．
A．but B．and C．that D．which
13．I wonder _________you would mind giving me a hand for a few minutes．
A．what B．how C．if D．that
14．_________you are here，you'd better stay．
A．Whether B．Now that C．Just that D．So that
15．All_________ I want to say is this thing．
A．what B．which C．that D．and
B．Combine the two sentences together with the given connectives．
1．I live in a room．
Its window opens north．（whose）
2．We would beg in the street．
We would not get money in such a dishonest way．（rather than）
3．He told us to read the text carefully．
He told us to write a review of it．（and）
4．He said that he was busy today．
He said that he would be free tomorrow．（But）
5．Yesterday I happened to meet John．
He was eager to have a talk with you．（who）
C．Identifying mistakes．There are four underlined parts in each of the following sentences．Identify the one which is wrong．
1．Many schoolteachers are afraid to bring up(A) moral and spiritual questions(B) for fear of(C) they violate(D) the Constitution．
2．Doing(A) things out of obligation，how(B) much effort you put into it(C) ，will always be like(D) dragging a ball and chain．
3．A rumor(A) has got about which(B) he is(C) going to resign his appointment(D)．
4．Only when(A) we landed we saw(B) how badly(C) the plane had been damaged(D)．
5．She has to(A) be very economical(B) because of(C) she hasn't much(D) money．
6．It is(A) of the utmost(B) importance when(C) you be(D) here the day after tomorrow．
7．The offence with whom(A) he is going to be charged(B) carries(C) a heavy penalty(D)．
8．I could have caught(A) my train if(B) I overslept(C) that morning(D)．
9．It had not been(A) for(B) the timely(C) investment from the general public，the company would not be(D) so thriving．
10．Last year，he earned twice(A) as much like(B) his brother，who(C) had a better position(D)．
Key:
A．1．B 2．B 3．D 4．D 5．C 6．C 7．A 8．C 9．C 10．B 11．C 12．B 13．C 14．B 15．C
B．1．I live in a room whose window opens north．
2．Rather than get money in such a dishonest way，we would beg in the street．
3．He told us to read the text carefully and to write a review of it．
4．He said that he was busy today but he would be free tomorrow．
5．Yesterday I happened to meet John， who was eager to have a talk with you．
C．1．C 2．B 3．B 4．B 5．C 6．C 7．A 8．B 9．A 10．B
