.
---Would you like some more chicken?
--- No, thanks. I am ________ a diet and try to ________ weight.
| A．on; lose | B．on; put on | C．in; have | D．in; lose |
The old couple will never _____ the loss of their son.
| A．get over | B．get away | C．get off | D．get across |
Sherry is in good shape physically _____ she doesn’t do enough sports.
| A．if | B．even though | C．unless | D．as long as |
All the workers are working hard to create _____ we hope will be the best means of transport in the 21st century.
| A．what | B．where | C．which | D．that |
How I wish I _____ history when I was in university.
| A．study | B．studied | C．would study | D．had studied |
The student said there were a few points in the essay he _____ impossible to understand.
| A．had found | B．finds | C．has found | D．would find |