While watching television, __________.
#90451
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell ring
D
we heard the doorbell rings
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Mr. White __________ at 8:30 for the meeting, but he didn’t show up.
#87078
A
should have arrived
B
should arrive
C
had arrived
D
should be arriving
---Did you listen to the speech?--- No, we ______ it. But we had a lot of traffic on our way.
#90052
A
could have attended
B
must have attended
C
could attend
D
shouldn't have attended
I didn’t see her in the meeting room this morning. She _____ at the meeting.
#90209
A
mustn’t have spoken
B
shouldn’t have spoken
C
needn’t have spoken
D
couldn’t have spoken