用括号内所给动词的适当形式填空。
小题1:The big day that I was looking forward to ____________ (come) at last.
小题2:My mother likes to listen to music while ____________ (drive) to work.
小题3:---Tony, I called you many times yesterday evening, but I couldn’t get through.
--- Sorry, but my brother ____________ (chat) on the phone all the time!
小题4:Much ____________ (do) to improve the air conditions in Beijing in the past few months.
小题5:--- Do you prefer jogging or taking a walk after supper?
--- I prefer jogging ____________ (lose) more weight.
