–Is that Kate’s car?--It ______be hers. She has just gone for a meeting.A. can’t B. may C. mustn’t
One day I_________ to Australia. A. went B. will go C. go
It will be difficult ________ a robot_________ same things as a person, A. of, to do B. for, to do C. for, doing
Their life will be__________ if there are ____________children in a family. A. richer; less B. poorer; fewer C. richer; fewer
He always helps__________ the housework. A. with B. for C. in
Robots can do manyjobs, because they will never get___________. A. boring. Boring B. bored, boring C. boring, bored