But for their help,we         the program in time.
#90489
A
can not finish
B
will not finish
C
had not finished
D
could not have finished
推荐题目
---- Did you visit the Big Ben in London?---- No, we ______ it, but we spent too much time shopping.
#90301
A
could visit
B
could have visited
C
must ahave visited it
D
can have visited
 He _____ without saying good-bye to them, for he always has good manners.
#90153
A
mustn’t have left
B
may not leave
C
shouldn’t have left
D
can’t have left
How happy we _______, if you had come with us to the party. 
#89782
A
could be
B
may have been
C
would have been
D
were