—Never touch my computer while I’m away．
— .
| A．I shouldn’t | B．I mustn’t | C．I won’t | D．I don’t |
— Have you ever been to Nanning? — Yes, _______ .
| A．I was | B．I do | C．I am | D．I have |
Look! The boys _______ football on the playground.
| A．plays | B．play | C．are playing | D．played |
This is _______ MP4. Yours is over there.
| A．my | B．me | C．I | D．mine |
Many accidents ______ by careless drivers last year.
| A．are caused | B．were caused | C．have caused | D．will cause |
I will send you an e-mail as soon as I ______ in Canada.
| A．arrive | B．arrived | C．am arriving | D．will arrive |