— Let’s play football on the playground.
— It’s too hot outside. I would rather______ at home than ______ out.
| A．to stay; go | B．staying; going |
| C．stay; to go | D．stay; go |
Some scientists believe that theremore robots in the future.
A.will have B. will has C. will be
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