—Look, how wonderful this Chinese knot (中国结) is!
—So it is. Chinese knot is a________Chinese art with a long history.
A.useless B.common C.modern D.traditional
I think robots ______ in many fields in the future.
A.are used B.will use C.will be used D.used
Mr. Smith ______ New York, but he will come back in a week.
A.goes B.has gone to C.went D.will go
It snowed ______ the day before yesterday. I had to stay at home.
A.heavily B.quietly C.hardly D.quickly
—Mom, I’m back. Is there anything to eat?
—Sure. There’s some ______ in the fridge.
A.apple B.milk C.coffee D.beef
They will have to close the toy store ______ they can find some more money.
A.if B.unless C.because D.when
