A healthy life is frequently thought to be ______ with the open countryside and home-grown food.
| A．cautious | B．associated | C．blessed | D．related |
She ought to stop working; she has a headache because she ________ too long.
| A．has been reading | B．had read | C．is reading | D．read |
When I called you this morning, nobody answered the phone. Where ________?
| A．did you go | B．have you gone | C．were you | D．had you been |
—Did Alan enjoy seeing his old friends yesterday?
—Yes, he did. He ________ his old friends for a long time.
| A．didn’t see | B．wouldn’t see | C．hasn’t seen | D．hadn’t seen |
—Will you go to the park now?
—Not until I ________ my physics exercises.
| A．will finish | B．have finished |
| C．will have finished | D．had finished |
Unfortunately, when I dropped in, Professor Smith ________, so we only had time for a few words.
| A．has just left | B．had just left | C．just left | D．was just leaving |