Come and see me whenever _______.
| A．you are convenient | B．it is convenient for you |
| C．you will be convenient | D．it will be convenient for you |
______ it have been the failure to pick up directions from the ground control that caused the air crash?
| A．Must | B．Could | C．Would | D．Should |
____ no cash for food, he broke into an old woman's house, hoping to steal some money.
| A．Because | B．As | C．Since | D．With |
--- I’m not good at dancing, you know.
--- . It’s just for fun.
| A．All right | B．No problem | C．Come on | D．Cheer up |
BP will continue to be focused on making sure that the costs ________with oil spill cleanup in the Gulf of Mexico are paid.
| A．covered | B．filled | C．occupied | D．associated |
Common people always hold the view the experts say is right.
| A．what that | B．that what | C．that | D．all which |