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
請解釋一下為什么要選那幾個答案.
另外麻煩幫忙翻譯一下第一題句子的意思.