—Do you know ________ Mr. Li left our town?   

—I’m not sure. I only remember it was a Saturday.   

A. when               B. how                      C. why                         D. whether

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完成句子。

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　　I __________ __________ he __________ __________ his homework yet.

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短文填空

用方框中所給單詞的適當形式填空，使短文完整正確(每個單詞限用一次)。

letter   learn   school   become   by

die   invite   blind   communicate   interest

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