问题

They will study ___________ home __________ computers.[ ]
A: in;by
B: it;by
C: in;on
D:at;on
B: it;by
C: in;on
D:at;on
正确答案是:
同类题型
_____ of them knows French, so I have to ask a fourth person for help.
These dumplings are delicious.—Yes. But I think the ones with beef are ___________ of all.
John never comes to school late.—______. He always come to school first in the class. [ ]