Scientists say it may be five or six years _______ it is possible to test this medicine on human patients.
| A．since | B．after | C．before | D．when |
I’ve only been out of ________ school a couple of years, but I’ve forgotten all ________ math I learned．
| A．the; the | B．不填; the | C．a; 不填 | D．a; a |
I dropped ________ and it wetted the carpet in the sitting room．
| A．a coffee cup | B．a coffee’s cup | C．a cup of coffee | D．a cup’s coffee |
―What’s for dinner? I’m hungry．
―________．Dinner will be ready shortly．
| A．Take it easy | B．Don’t mention it | C．Forget it | D．Be patient |
A powerful earthquake struck Haiti’s capital, ________ tens of thousands homeless and buried in ruins．
| A．left | B．to leave | C．leaves | D．leaving |
．In the job interview, all the applicants are judged _______ their educational background and working experience.
| A．in terms of | B．in favor of | C． in spite of | D．in need of |