—Mary told me she would ______computer study.—Really? I'll try my best to ask her to _____such foolish ideas.
Caspar ________ his leg when he ________in a football match last week.
Smoking is one of the ______ of heart disease and it kills lots of people every year.
The time that he ________ in playing computer games each day is about two hours.
The book ________ I bought yesterday is very interesting.
—Would you mind if I turned on the radio and listened to some music? —________. In fact, I also like listening to music.