1.__,we could not have…… 有补充

1.__,we could not have finished the work on time.
A.if they do not help us B.was it not for their help
C.should they offer to help us D.but for their help

3.without air ___no wind or rain.
A.there will be B.there have been C.there would be D.there is

4.___how to operate a washing machine,i had to ask my wife to show me the correct procedures.
A.not known B.not to know C.not knowing D.having not know

5.He said."time is running short.you___now."
A.have better leave B.better leave C.had better leave D.had better to leave

6.being in no great hurry,___
A.we went the long route with scenery
B.the long,scenic route was our preference
C.we took the long,scenic route
D.our preference was taking the long,scenic route

7.i urged that he___these steps
A.takes B.took C.take D.taking

8.their retail business in Asia __rapidly since the early 1900s.
A.has e

1A
3A
4C
5A
6C
7D
8A
9D
10A
11C
12B
13A
14B
15A

1.__,we could not have finished the work on time.
A.if they do not help us B.was it not for their help
C.should they offer to help us D.but for their help

3.without air ___no wind or rain.
A.there will be B.there have been C.there would be D.there is

4.___how to operate a washing machine,i had to ask my wife to show me the correct procedures.
A.not known B.not to know C.not knowing D.having not know

5.He said."time is running short.you___now."
A.have better leave B.better leave C.had better leave D.had better to leave

6.being in no great hurry,___
A.we went the long route with scenery
B.the long,scenic route was our preference
C.we took the long,scenic route
D.our preference was taking the long,scenic route

7.i urged that he___these steps