【题目】根据序数词的缩写形式，写出完全形式
（1）1st
（2）2nd
（3）3rd
（4）5th
（5）9th
（6）20th

A、prefer this

B、prefers these

C、preferring these

A、goes; see

B、go; see

C、go; look

A.onB.inC.at

A、How many

B、How much

C、How often

【题目】—Do people usually open gifts right away in China?
—
A.Yes, they do.
B.No, they don't.
C.Yes, they are.

【题目】—
—It begins at one o'clock in the afternoon.
A.What time does it begin?
B.What time is it?
C.How is it?

A. makeB. makesC. making

【题目】— —It's on 15th January.
A.What is it?
B.When's Mother's Day?
C.When's your birthday?