—— I haven’t seen Johnson these days.—— I think she _______ a conference in Beijing, but I’m not sure.
#87946
A
should be attending
B
might be attending
C
could have attended
D
must have attended
推荐题目
How I wish I ____ the mistake! Everybody present was angry with me.   
#90109
A
didn’t make
B
hadn’t made
C
wouldn’t make
D
wasn’t making
You_____make such mistakes again.
#88888
A
should never
B
should not always
C
would always not
D
would not forever
—My sister is very upset today. —It’s your fault .You           the bad news to her yesterday.
#87921
A
should tell
B
should have told
C
shouldn’t have told
D
must tell