Question

【题目】用括号中所给词的适当形式填空。

【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】根据后半句可知，这种纸袋是很有用的，use为动词，其形容词“有用的”为useful。

【2】根据in the past few years判断句子为现在完成时，且river与pollute之间为被动关系。

【3】animal与give之间是被动关系。

【4】根据already判断句子为现在完成时。

【5】try与soldiers之间为主动关系，因此，此句表达的是动作的正在进行。