—Go and ask Mr Green for help.
—But I don’t know ______.
| A．where does he live | B．where he lives |
| C．where is he living | D．where he lived |
More than 20 people ________ in traffic accidents ________ last week.
| A．died; for | B．have been dead; since | C．have died; for | D．have been dead, for |
— have you learnt English? —Since 2006.
| A．How far | B．How long | C．How often | D．How soon |
I think skiing is ____ great fun.
| A．a | B．/ | C．an | D．the |
－I have bought a Chinese – English dictionary?
－When and where_____ you _____ it?
| A．have, bought | B．did, buy | C．will, buy | D．do, buy |
He has been in the USA .
| A．since a month | B．for a month | C．for a month ago | D．in a month |