33．---- Hi, Vera, have you checked the account yet?
---- Certainly, I ______ it five times even though you told me to do it twice．
| A．checked | B．will have checked |
| C．have been checking | D．had checked |
Do you know that _______ with wise men improves your mind?
| A．chat | B．chats | C．chatted | D．chatting |
When I said that some people are stupid I was not _______ you.
| A．talking to | B．referring to | C．turning to | D．listening to |
Professor Li, do you like Ewa and can you make a(n)_______ on her new movie?
| A．impression | B．bet | C．attack | D．comment |
I regret _____ you that my sister regretted _____ out with you. You are not the kind of person she wants.
A. telling; going C. to tell; to go C. telling; to go D. to tell; going
Everybody showed great respect to the old doctor, who devoted everything he had to __________ the poor conditions of the local hospital.
| A．improving | B．improve | C．to improve | D．being improved |