单选题 According to a recent report,( ) that Americans consume does not vary greatly from year to year.

单选题 If you ( ) that late movie last night, you wouldn’t be sleepy now.

单选题 I don’t doubt _________the stock market will recover from the economic crisis.

单选题 — Your English is quite good.—________

单选题 They provide us ________a lot of food when we were in trouble.

单选题 News came from the sales manager _________the new product had been selling well in the local market for three months.

单选题 The plane is( )to take off at 4.

单选题 There are two maps on the wall:one is a map of China,and ___________ is a map of the world.