—Whose workbook is this, Tony?
—Look! Ann's name is on it! It ______ be hers.
A. can't B. must C. may D. mustn't
—______ will you come back from Shanghai? —In one month.
A. How long B. How often C. How soon D. How fast
—I went to Daming Lake yesterday. There were ______ people.
—Yes. Everyone wants to go out on such a good day.
A. too many B. too much C. many too D. much too
More and more people find ______ necessary to protect our earth.
A. it B. that C. this D. its
My father has ______ for two weeks. I miss him so much.
A. left B. leave C. gone D. been away
The listening test usually ______ 20% of the English test.
A. makes of B. makes up C. makes from D. makes in