问题
Her brother _____ be at home now, because he was seen playing basketball in the stadium just now. [ ]
A: mustn't
B: needn't
C: can't
D: shouldn't
B: needn't
C: can't
D: shouldn't
正确答案是：
同类题型
You __________ tell anyone about this — it’s a secret.
of the keynurotransmitters influencing our mood, and ________it helps to relieve mooddisorders
I was not _______her presence till shespoke to me.
34 By no means _____ of our students to drop out of school
________ the plane was missing for several days, ________ people didn’t give up.