I into robots and used to make mobile phones as well as help with medical operations.
| A．have put | B．have been put | C．had put | D．had been put |
Not only I but also Tom _____ fond of watching TV.
| A．am | B．is | C．are | D．be |
It is difficult for us to ______ our conversation with all this noise around us.
| A．carry on | B．account for | C．bring up | D．get across |
Lisa would rather_______ at home than_______ to the cinema .
| A．staying; going | B．staying; go | C．to stay; to go | D．stay; go |
As is known to all, oranges are _______ Vitamin C.
A. rich in B. poor withC. short of D. good for
----- Where did you ______ our chemistry teacher?
----- It was in the supermarket ______ I saw him.
| A．come to, where | B．come across, that | C．come across, where | D．come to, that |