—_____ have you lived there? —Since 1970.
| A．How soon | B．How often |
| C．How long | D．When |
She ____________ as an animal trainer since 2003.
| A．has worked | B．works | C．will work | D．worked |
If I find his phone number，I ____________ you.
| A．tell | B．told | C．will tell | D．have told |
They ____________ her to the party，so she was very happy.
| A．invite | B．invited | C．will invite | D．are inviting |
—____________you swim? —Yes，but I’m not a good swimmer.
| A．Can | B．May | C．Need | D．Must |
Mr. Green ____________ to the manager now. You’d better call him later.
| A．talk | B．talked | C．is talking | D．was talking |