挑戰(zhàn)英語語法問題 被動語態(tài)
1.To understand the situation completely requires more thought than _____________________.
a.has given b.has been given c.had given d.had been given
為什么,請詳解,該句比較級如何理解.
2.THe main stream of a river frequently _________ into two or more branches near its mouth.
a.divides b.is divided
為什么?難道我們上課經(jīng)常說 the passage is divided into three paragraphs 一直是錯的嗎?
3.These minerals are known _____________ on the moon.
a.to have been collected b.to be collected
為什么,趕緊b也對呢