问题

We go _____ duty at 8 a.m.
A:on
B:in
C:at
D:for
B:in
C:at
D:for
正确答案是:
同类题型
Whose hat is this — I think it can’t be John’sor Kate’s. It’s much too small for __________.
My parents don’t mind what job I do _____ I am happy
Mary has a very low opinionof George — It can’t be any worse than ____ of her
It was a very ______ article—terrible punctuation and lots of spelling mistakes.