Oh, Mary, why are you killing your time this way ?Can’t you find something____ doing at all?
| A．useful | B．valuable | C．worth | D．good |
Working hard is not a _______ of great success, but it is among the essential requirements.
| A．mark | B．guarantee | C．key | D．signal |
How I ____ another seven-day holiday, for I’m still so tired!
| A．hope there to be | B．dream of there being |
| C．dream there to be | D．look forward to have |
—What do you think of the lecture given yesterday afternoon?
—It was ____ interesting. How I wish the lecturer had spent more time preparing!
| A．not a little | B．anything but |
| C．quite a few | D．nothing but |
Because of the measures the United States has put, along with the world-class health system, the chances of an Ebola outbreak in the country is extremely low.
| A．in place | B．in turn |
| C．in need | D．in return |
Experienced liars can make use of gestures to take you in; for instance, they often ______ look at you straight in the eyes as if they were telling the truth.
| A．mildly | B．curiously |
| C．deliberately | D．gradually |