Question

几个英语填空题，简单的！

Look!----bright moon is hanging high in the sky.
A.The B.A
The 30th Olympic Games------ in London ，England in 2012。
A.are going to be held B.is going to be hold
C.are going to hold D.will hold
Three fourths of the homework----today.
A.has done B.has been done
C.have done D.have been done
It is quite----that the football match will be----tonight.
A.certain;on the air B.certain;in the air
C.sure;on TV D.sure;in the air

每个题都需要详细的解释一下哦！谢谢

Answer 1

1 B "一轮明月”。当moon, sun等前面有形容词修饰时，用a，如a red sun
2 A Olympic Games做主语，动词都用复数。be held被举办，应用被动
3 B 当有分数和百分数修饰主语时，动词的单复数看主语中的名称决定。这里主语是homework,不可数名称，用单数
4 A 词组on the air在直播。it is certain that..肯定的是…… sure只能用：sb. is sure that...或者sb. is sure of sth.

Answer 2

1.A moon是独一无二的，用the
2.B，The 30th Olympic Games要作被动语态用be held
3.B，homework是不可数名词作单数，用被动语态be done
4.A，It's certain that...on the air的意思是在广播

Answer 3

1 A.特指
2 B (Olympic Games 是个名称 而不是字面上的复数)
3 B homework不可数
4 A sure只跟人称 没有It is 的句型 on the air 指播出

Answer 4

A
D
D
B