Mrs White _______ dinner when her son came home.
| A．is cooking | B．was cooking | C．are cooking | D．were cooking |
It’s difficult for the village children to cross the river to get to school. We think a bridge________ over the river
| A．was built | B．should be built | C．has been built | D．is being built |
Rememberoff the lights when you leave the classroom.
| A．turn | B．to turn | C．turning | D．turned |
She________ her hometown for many years. No one nearly knows her.
| A．has been away from | B．has left | C．had left | D．left |
—Were you at home at 9:00 last night? I called you but nobody answered.
—Sorry, I ________ at that time.
| A．take a shower | B．took a shower |
| C．was taking a shower | D．am taking a shower |
—May I speak to the headmaster?
—Hea meeting now. Can I take a message?
| A．is having | B．had | C．has | D．will have |