—— Do you think you can repair this machine without help?
—— _________. This is not the first time for me to do so.
| A．Don’t worry. | B．All right. |
| C．Don’t mention it. | D．No problem. |
Failure to face up to painful experience can be ______ form of stress itself, and can increase ______ possibility of illness.
| A．the; / | B．a; a | C．a; the | D．/; the |
One can’t be really happy if _________he enjoys doing is regarded by society as of no importance.
| A．how | B．that | C．what | D．where |
Tom does speak Chinese well, but his reading and writing skills leave much _________.
| A．to improve | B．to be improved | C．being improved | D．having improved |
We’d better take umbrellas—I’m sure it _____ when we arrive in London; it’s always wet there at this time of year.
| A．will rain | B．is raining | C．will be raining | D．would rain |
It remains unknown _____the peace talk between the two countries is going to lead.
| A．why | B．when | C．how | D．where |