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1. We heard the girl _____ over there just now. A. sings B. singing C. to sing D. sang 2. Help _____ to some bananas, children. A. you B. yourself C. yours D. yourselves 3. The doctors are trying their best to save the _____ boy. A. dead B. dying C. died D. diing 4. ---How many times _____you ______to Xi'an this year? ---Three times. A. have; been B. had; been C. have; gone D. had; gone 5. He likes to play _______the guitar ______the piano. A.not; or B.not only; but also C.both; or D.either; and 【答案】 1. B 解析：感官动词用法，hear sb doing强调的是正在进行的状态，句末有Just now 可以看出本句要强调的是我们听到那个女孩正在唱歌。 2. D 解析：help oneself to sth表示汉语中自便的意思，经常在招呼客人的时候用，是固定用法，注意后面提到children，应该用复数yourselves。 3. B 解析：dying是形容词，意思是将死的，奄奄一息的。 4. A 解析：本题考查两点，1，句末有this year不需要用过去时态，BD排除。2，has been to和has gone to的区别。Has been to表示去过了，现在也回来了。Has gone to表示已经去了，说话的时候还没回来。 5. B 解析：本题中只有B是正确的搭配 | 
