1.--Are you sure there are UFOS?--- Sorry.I'm not sure( )thatA.to B.at C.of D.in2.His joke made us ( )up and down.A.to laugh B.laugh C.laughing D.laughed3.People use robots for ( )A.do boring work B.do boring works C.doing boring work D.to do boring

1.--Are you sure there are UFOS?--- Sorry.I'm not sure( )thatA.to B.at C.of D.in2.His joke made us ( )up and down.A.to laugh B.laugh C.laughing D.laughed3.People use robots for ( )A.do boring work B.do boring works C.doing boring work D.to do boring
1.--Are you sure there are UFOS?--- Sorry.I'm not sure( )that
A.to B.at C.of D.in
2.His joke made us ( )up and down.
A.to laugh B.laugh C.laughing D.laughed
3.People use robots for ( )
A.do boring work B.do boring works C.doing boring work D.to do boring jobs
4.My parents will go to Beijing ( )
A.three days ago B arter three days C in three days D.before three days
5.Are you sure ( )he lives?
A.where B.which C.what D.when
6.You have to do it in a diffrent way ( ) a diffrent situation.
A.on B.in C,for D.at

1.--Are you sure there are UFOS?--- Sorry.I'm not sure( )thatA.to B.at C.of D.in2.His joke made us ( )up and down.A.to laugh B.laugh C.laughing D.laughed3.People use robots for ( )A.do boring work B.do boring works C.doing boring work D.to do boring
1.--Are you sure there are UFOS?--- Sorry.I'm not sure( of )that
A.to B.at C.of D.in
be sure of something.确信某事,固定搭配
2.His joke made us ( laugh )up and down.
A.to laugh B.laugh C.laughing D.laughed
make somebody do (something).使某人做某事,固定搭配
3.People use robots for ( doing boring work )
A.do boring work B.do boring works C.doing boring work D.to do boring jobs
be used for + 名词(动名词)
4.My parents will go to Beijing ( in three days )
A.three days ago B arter three days C in three days D.before three days
在3天内去北京,will do sth.in +时间段 一般将来式的固定用法
5.Are you sure ( where )he lives?
A.where B.which C.what D.when
你确定他住在哪吗?其他都解释不通.
6.You have to do it in a diffrent way ( in ) a diffrent situation.
A.on B.in C,for D.at
in situation,固定短语

1.C2.B3.C4.C5.A6.A.不知道答案您是否满意,我是用心回答问题的,希望对你有所帮助.

c b c c a b

1 B be sure of ，固定搭配，意思是确定，肯定
2 B make 是使役动词，后面动词用原形
3 C for此处是介词，后面跟动词的话应是动名词形式，即-ing形式
4 C 此选项意思是三天以后，其它选项都没有将来的意思
5 A be sure that···live后应加地点，此处对地点提问，所以是where
6 A on···situati...

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1 B be sure of ，固定搭配，意思是确定，肯定
2 B make 是使役动词，后面动词用原形
3 C for此处是介词，后面跟动词的话应是动名词形式，即-ing形式
4 C 此选项意思是三天以后，其它选项都没有将来的意思
5 A be sure that···live后应加地点，此处对地点提问，所以是where
6 A on···situation固定搭配，意思是在什么情况下

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