( ) （3） 如何询问对方家里有多少人：
A.What are they in your family ?
B.How many people are there in your family ?
It’s hot. So I ____________.
A. take off my sweater
B. put on my sweater
C. put on my gloves
---- What’s the weather like _____ Beijing?
---- It’s ______ now.
A. in; windyB. on; windyC. in; wind
It's 10 o'clock. It's time _______ go to school.
A. forB. toC. of
--- How many cows are there? ---- __________.
A. 100 yuan. B. Twenty C. It’s 10 o’clock.
The gloves are 98 yuan. They’re _______.
A. cheapB. expensiveC. small