—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
—My friend Mrs. white wants to see the Beijing Opera tonight.
—You can take _____________ to Lao She Teahouse.
A.me B.him C.her D.us