--- Is there a bus to the downtown? -----There ____ be, for it is too late now. You’d better take a taxi.
#87472
A
won’t
B
mustn’t
C
can’t
D
needn’t
推荐题目
 If I _______ that program the day before yesterday, my computer wouldn’t have broken down.
#86758
A
didn’t run
B
haven’t run
C
hadn’t run
D
were not to run
. If only I ________ how to operate an electronic computer as you do. 
#89384
A
had known
B
would know
C
should know
D
knew
_____ to do the work, I should do it some other day.   
#89407
A
If were I  
B
I were 
C
Were I 
D
Was I
If I ______ten years younger, I _____ very happy.
#86935
A
am, would be
B
am, shall be
C
were, shall be
D
were, would be