18.Hurry up,dear.We have to get to the station before 11:45 we can catch the 12:00train.( )
| A. | since | B. | after | C. | as soon as | D. | so that |
17.-It's time to go to bed,Mary.
-Oh,Mum,I won't go to bed_____ I have finished my homework.( )
-Oh,Mum,I won't go to bed_____ I have finished my homework.( )
| A. | after | B. | until | C. | since | D. | because |
15.There is a strong wind,__________ I want to close all the windows.( )
| A. | so | B. | or | C. | but | D. | because |
14.Be quick,__________ we will be late for the meeting!( )
| A. | so | B. | or | C. | but | D. | and |
13._______ this method doesn't work,let's try another.( )
| A. | Before | B. | Since | C. | When |
12.-_____ you _____ your homework yet?
-Yes.I _____ it ten minutes ago.( )
-Yes.I _____ it ten minutes ago.( )
| A. | Did,do; finished | B. | Have,done;finished | ||
| C. | Have,done; have finished | D. | Will,do; finished |
11.Neither Jim's cousins nor he himself ____to America,but _____ of the know the country very well.( )
| A. | have been;all | B. | have been; both | C. | has been;all | D. | has been;both |
10.This is the most beautiful park I have _______ visited.( )
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| A. | ever | B. | yet | C. | never | D. | already |