问题

We’ll have a hiking trip, but when shall we meet? —Let’s make it ______ half past eight ______ the morning of June 21. [ ]
A: at; in
B: /; on
C: /; in
D:about; by
B: /; on
C: /; in
D:about; by
正确答案是:
同类题型
Our English teacher is often _______ to give a talk on English study. He is popular.
Where is Betty? —She is_____ China_____ her parents. [ ]
Amy thinks hamburgers are not healthy, so she _________ eats them.
When ___you _____ your breakfast this morning? At 6.00.
Two hundred yuan for such a T-shirt! You ______ be joking!-I’m not joking . It’s made of silk.