25．If you sleep short of 7 hours, you are three times _______ to catch a cold．
| A．possible | B．certainly | C．probable | D．likely |
. --- He has to finish the experiment today. He must be in the lab,________?
---That s quite possible.
| A．mustn't he | B．won't he | C．doesn't he | D．isn't he |
“Long time no see”is _______sort of imformal, but it is part of ______language Americans use daily.
| A．the; a | B．a; the | C．/; the | D．a; a |
In this factory, suggestions often have to wait for months before they are fully _____.
| A．admitted | B．acknowledged | C．absorbed | D．considered |
----__________?
----It depends on what it is.
| A．Will you buy me some stamps | B．Would you please do me a favour |
| C．How about going shopping with me | D．Remember me to your family, will you |
. ______ is quite natural; a beginner can't read the books written in English very quickly.
| A．Which | B．As | C．What | D．It |