问题

They left here early and ________ by now.
A:should arrive
B:must arrive
C:can arrive
D:should have arrived
B:must arrive
C:can arrive
D:should have arrived
正确答案是:
同类题型
My brother would like to buy a good watch but_______ was available from that shop.
I still haven’t found my pet dog. —I’m sorry to hear that. You______ be very sad.
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They lived a life in the countryside
’t know who ____ for the murder, but thepolicemen will tell us the truth soon.