—How was the professor's lecture?—Impressive. Thank you so much for giving me a lift during the rush hours. If not, I ________ the lecture today.
#87399
A
couldn't attend
B
might not have attended
C
mustn't have attended
D
can't have attended
推荐题目
The new CEO asked that all inter-office communications ______ in writing rather than in person, ______ possible.
#87220
A
have been made; whoever
B
would be made; whichever
C
be made; whenever
D
were made; whatever
 If you _______ the medicine, you _______ better now. 
#89470
A
took; would feel
B
had taken; felt
C
had taken; would feel
D
took; would have felt
No wonder you caught a cold. You________have gone out last night without a coat.
#88360
A
shouldn’t
B
mustn’t
C
couldn’t
D
mightn’t