— Could you come back home at four this afternoon?
— ________．I’ll be at an important meeting at that time．
A.I think so B.It depends on traffic
C.Terribly sorry D.No problem
—Would you like to come to my house to watch the Voice of China together?
—___________.
A.Great! I can’t stand it
B.Yes, I’d love to, but I don’t mind it
C.Good idea, but I’m not sure
D.Yes, I’d love to. I can’t wait.
Susan won't arrive at the airport on time _____ she hurries up.
A.once B.if
C.or D.unless
—I’m afraid I can’t do well in the running race. I might let my classmates down.
—________. You don’t need to push yourself too hard.
A.What a pity B.Take it easy
C.It’s a pleasure D.That’s all right.
I could speak French Chinese, but luckily I could talk with them in English.
A.both; and B.neither; nor C.either; or D.not only, but also
— Will you please answer the door? It _______ be your sister.
—Sorry, I ________. I'm feeding the rabbit.
A.must；mustn’t B.will；can’t
C.may；can’t D.must；needn’t
