—Mum, let’s go shopping together.— Can’t you see I’m so busy, dear? I ______ tomorrow’s meeting.
Give me another chance, ______ I’ll give you all a wonderful surprise.
Next term one thousand junior high school graduates ______ as pilots in China.
—I think using Wechat every night is a waste of time.—Yes. In fact, there are ______ meaningful things to do.
It’s very dangerous when you drive your car ______ a certain speed.