Question

【題目】用括號中所給詞的適當形式填空。

【1】That kind of bags is ________ (use), we can use it over and over again.

【2】The river outside the city _______ (pollute) by the factory nearby in the past few years.

【3】Those animals are ________ (give) food three times a day.

【4】The scientists _________ (come) up with some good ideas to solve the serious problem already.

【5】The soldiers are _______ (try) to save more people.

Answer 1

【答案】

【1】useful

【2】has been polluted

【3】given

【4】have come

【5】trying

【解析】

【1】根據后半句可知，這種紙袋是很有用的，use為動詞，其形容詞“有用的”為useful。

【2】根據in the past few years判斷句子為現在完成時，且river與pollute之間為被動關系。

【3】animal與give之間是被動關系。

【4】根據already判斷句子為現在完成時。

【5】try與soldiers之間為主動關系，因此，此句表達的是動作的正在進行。