My mobile phone disappeared. Where _____ I have left it?
| A．may | B．must | C．could | D．should |
—Hi. Mary. Do you still remember the first time we met?
—Sure. Youdinner with your friends in a restaurant.
| A．have | B．had | C．were having | D．have had |
All school buses in the northwestern provinceswith satellite positioning devices next year.
| A．fitted | B．will be fitted | C．have been fitted | D．are fitted |
Various summer camps being available, we can choosebased on our own interest.
| A．either | B．one | C．each | D．it |
If you want your children to be independent, put some responsibilitiestheir shoulders.
| A．on | B．over | C．by | D．beyond |
Don’t respond to any e-mailspersonal information, no matter how official they look.
| A．requested | B．request | C．requesting | D．to be requested |