— Could I use your mobile phone, Tim?— Of course you can, but you ________ use it in the reading room.
--- Do you mind telling me how to use the function? --- , It is very easy.
If your homework , you can watch TV.
---Good news! A new educational CD-ROM has just come out!---Great! I’d like to study and play_______________.
I haven’t seen you ____________.
Don’t wake up the ___________ baby. She has just fallen __________.