---The light in the room is still on. Do you know_______?
---In order to prepare for the coming exam.
A．if he works hard B．why he stays up late
C．why is he so busy D．when he will stop working
---Mum, may I have some cakes?
---Sorry, there’s ________left . I’ll go and buy some for you tonight.
A．nothing B．no one C．no D．none
---People should stop pouring dirty water into the lake.
--- _______. It will cause pollution.
A．I agree with you B．I don’t think so
C．Don’t say like that D．No problem
________my mother is very tired after a whole day’s hard work, she tries to spare time for me.
A．Every time B．Whenever C．Even though D．As
The story was written in______ easy English_____ even the seven-year-old child could understand it.
A．very, that B．so, that C．too, to D．such, that
---Could I swim here?
---____________. Look at the sign NO SWIMMING.
A．No, you couldn’t B．Certainly, you could
C．Sorry, please don’t D．Of course, you can
