____ girl with ______ apple in her hand is my best friend, Lucy.
| A．A, the | B．The, a | C．A, an | D．The, an |
There areteachers in that school.
| A．two hundreds | B．two hundreds of |
| C．two hundred | D．hundred of |
Some scientists believe that theremore robots in the future.
| A．will have | B．will has |
| C．will be | D．will do |
One day I_________ to Australia.
| A．went | B．will go | C．go | D．goes |
It will be difficult ________ a robot_________ the same things as a person,
| A．of, to do | B．for, to do |
| C．for, doing | D．to, do |
He always helps__________ the housework.
| A．with | B．for | C．in | D．to |