___your school like?
I don’t know if ______ to the party.I will let you know if ______.
—Whose workbook is this, Tony?—Look! Ann's name is on it! It ______ be hers.
—______ will you come back from Shanghai? —In one month.
—I went to Daming Lake yesterday.There were ______ people.—Yes.Everyone wants to go out on such a good day.
More and more people find ______ necessary to protect our earth.