---I have looked for my keys everywhere, but I can’t find them.
---Sorry to hear that. You _____ them somewhere.
| A．must lose | B．should lose |
| C．must have lost | D．should have lost |
---People should stop using private cars and start using public transport.
---. The roads are too crowded as it is.
| A．Go ahead | B．All right | C．Exactly | D．Fine |
All the employees except the manager to work online at home.
| A．are encouraged | B．encourages | C．is encouraged | D．encourage |
–What would you rather do, take a walk or swim?
–I taking a walk swimming.
| A．would rather, than | B．would like, than | C．prefer to, than | D．prefer, to |
When his mother came home, he pretended sound.
| A．sleeping | B．to sleep | C．to have slept | D．to be sleeping |
–Is that the small town you often refer to?
–Righ
t, just the oneyou know I used to work for years.
| A．that | B．which | C．where | D．what |