Mary as well as her sisters____________Chinese in China.
| A．are studying | B．have studied | C．studies | D．study |
Nowadays, use____________of certain waste materials to protect the environment.
| A．is making | B．will make | C．is being made | D．will be made |
He has been heavily _______ to the bank since he bought that big house in Beijing.
| A．in debt | B．in peace | C．in danger | D．in cash |
---Tom, must you have the light______ all night? It’s really a waste.
---Sorry, I won’t do it again.
| A．burning | B．burned | C．to burn | D．to be burned |
You have done wrong to Jack, you should say sorry to him.
| A．to which | B．for which | C．in which | D．on which |
“ I ______ asleep all afternoon, so I didn’t hear the phone,” he ____ to me.
| A．lied; lay | B．lay; lied | C．lay; lay | D．lied; lied |