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【題目】—Excuse me，could you tell me_______?

【題目】Tim is _______ excellent runner, he often gets _______ first prize in the race.

【題目】If you are too tired, you should_______ some of the after-school activities.

【題目】Some students were talking loudly ____the head teacher came into the classroom.

【題目】Everyone______ be polite to their parents.

【題目】He suggested _______ by plane, but I thought it would cost too much.

【題目】People always keep the door______ in North China in winter .

【題目】—Do you have any plans for this weekend?

【題目】--My computer is broken. --Why not ask Mr. Smith______ for you?