1.Mr Li required the computer equipment referred ____C____ used in every classroom.

问题描述:

1.Mr Li required the computer equipment referred ____C____ used in every classroom.
A.should be B.have to be C.to be D.to being
2.—Yang Liwei has won great honour for our country.
—Who is Yang Liwei?
—What a question!It is surprising ____C____ the first spaceman in China.
A.you didn’t know our national hero B.to you not to know him
C.you should know nothing about D.you knew nothing about him
3.—What courses are you going to do next term?
—I don’t know.But it’s about time ___B_____ on something.
A.I’d decide B.I decided
C.I decide D.I’m deciding
请解释一下为什么要选那几个答案.
另外麻烦帮忙翻译一下第一题句子的意思.

第一题是referrd to连用 作定语修饰equipment 后面的be则与前面的required连用 require后接原型的 句子意思是李先生要求提到的电脑设备每个教室都要用到 这里的should译为竟然的意思 表示说话人的吃惊的意思 是常考...