单项选择题
A.children are allowed B.are children allowed C.children will allow D.will children allow
There has been a great increase in retail sales , （）﹖A....
单项选择题There has been a great increase in retail sales , （）﹖
A.does there B.isn't there C.hasn't there D.isn't it
The professor said he could talk on （）interested the au...
单项选择题The professor said he could talk on （）interested the audience．
A.any topic B.which topic C.whichever topic D.the topic he thought it
You （）him so closely; you should have kept your distanc...
单项选择题You （）him so closely; you should have kept your distance．
A.shouldn’tfollow B.mustn’tfollow C.couldn’t have been following D.shouldn’t have been following
