问题

Sheep feed ______ grass.[ ]
A: in
B: on
C: at
D:out
B: on
C: at
D:out
正确答案是:
同类题型
What are they doing over there?—They’re getting ready ______ the party. [ ]
Let’s talk __________ the weather.—OK.[ ]
Look at the skirt. I bought it for my daughter ______ Children’s Day. [ ]
He is a _____ boy, so he can’t go to the park by himself.
The price of a cup of coffee is higher than _______ of a glass of Cola.