It's not a good habit to ____________ the old clothes. We'd better recycle them.
A.throw away B.look after C.pay for D.put on
—Would you like to come to my birthday party this Saturday?
—I'd love to, but I ____________ to visit my grandparents.
A.promise B.will promise C.have promised D.am promising
—_____________ will you finish your model spaceship, Tom?
—In about two days. I'll try my best to make it.
A.How long B.How soon C.How often D.How far
— I saw your brother in the chess club just now.
— It_________________ be him. He is taking a competition in Beijing.
A.must B.could C.might D.can't
—Henry hurt his leg badly when running, Mr. Black.
—Go and help him _____________.
A.easily B.quickly C.politely D.confidently
—Mum, the pears in the box have gone bad.
—Let's buy some ____________ ones.
A.fresh B.sweet C.expensive D.small