He pretended _______ when his mother stepped into his room.

Which do you prefer to use to keep in touch with yourfriends，QQ__________MSN

It was about 600 years ago ______the first clock with a face and an hour hand was made .

I heard that there were a lot of shouts and screams at yesterday’s partyIt must have been terrible——- Oh, no________ , I enjoyed every minute

Nick was listening to music _____ his father was reading a magazine.