It’s said that______ young people may lose their abilities to hear after five years if they listen to MP4 players which are too loud for more than five hours a week

I ________the day before yesterday, I’ve _________for2days.

Do you enjoy your present job—____________. I just do it for a living.

Hillen used to be very shy, but she has grown________it now

You did so much work today.You must be very tired.—No,I’m not_________tired.