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.確信某事,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 + 名詞(動(dòng)名詞)
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天內(nèi)去北京,will do sth.in +時(shí)間段 一般將來式的固定用法
5.Are you sure ( where )he lives?
A.where B.which C.what D.when
你確定他住在哪嗎?其他都解釋不通.
6.You have to do it in a diffrent way ( in ) a diffrent situation.
A.on B.in C,for D.at
in situation,固定短語