—I wonder if you could go with me to the shopping mall.—Don’t disturb me. I ______ my experiment report all the morning and haven’t finished yet.
. Unemployment is on the increase. A growing number of young people,________, are finding themselves out of work.
- You're going to publish my book. Are you serious? --__________. It's to be published next month.
No wonder you caught a cold. You________have gone out last night without a coat.
His advertisement income this year is about $36 million, over three times________of last year.
I suppose by the time I come back in ten years' time all these old houses_______down.