问题
It’s necessary _______ us to keep our pets clean every day. [ ]
A: of
B: for
C: with
D:between
B: for
C: with
D:between
正确答案是：
同类题型
What ____ he_____ last weekend?— He went to a movie.
Mum, it’s so hot and I am very thirty. —- Here’s the money, Tom. Go and buy _____ an ice ream.
____ Christmas Eve, children put a stocking ____ the end of their beds before they go to sleep.[ ]
The task in an hour. Then we can go home and have a good rest.