—Where on earth have they gone?
—I have no idea, but I wish I .
| A．know | B．knew | C．would know | D．would have known |
—Is there any________to the time that I can stay here?
—Yes，you must leave here before he comes back.
| A．number | B．length |
| C．limit | D．matter |
—Would you like some more chicken?
—No，thanks.I am________a diet and I’m trying to ________weight.
| A．on；lose | B．on；put on |
| C．in；have | D．in；lose |
People have always been________about exactly how life on earth began.
| A．curious | B．excited |
| C．anxious | D．careful |
—The traffic is heavy now，so Mike________come late.
—Let’s wait ten more minutes.
| A．can | B．need |
| C．may | D．shall |
The detective，________to be reading a newspaper，glanced at the man seated next to a woman.
| A．pretending | B．expecting |
| C．wanting | D．intending |