what

什么？

—What's your name? 

—My name is Tom.

What colour

問顏色

—What colour is your coat? 

—It's red.

what day

問星期

—What day is it today? 

—It's Monday.

what date

問日期

—What date is it today?

—It's the first of June.

what shape

問形狀

—What shape is the moon? —It’s round.

what…job

問工作

—What's your father’s job? 

—He's a bus driver.

what time

問時間

—What time is it?

—It's ten o'clock.

when

什么

時間？

—When is your birthday? 

—It's on the first of May.

which

哪個？

—Which is your watch, this one or that one? 

—That one.