Listening attentively in class and reviewing in time _______ a sure way to improve your learning, and this is especially true _______ it comes to standard tests.

 ---- Where _______ my books?---- Sorry, I don’t know.

There _________ an apple and five oranges on the table.

—My family ____ going to Guangzhou in September this year.—Do you mean the city ____ held the 16th Asian Games? That’s attractive.

The number of people present at the meeting ________ about 1000, a large number of whom ________ experts from abroad.