His parents wouldn't let him marry anyone ____ family was poor.

The doctor ____ is leaving for Africa next month.

_____ at in this way, the situation doesn ’t seem so desperate.

I ’d like to have a long holiday, but I’m really too busy to _____ the time.

It’s necessary ______ us to keep our pets clean everyday.

Last March the __________ of a 19th century cargo ship was found by an underwater archaeological team.

Lance:Mary doesn't look well.

Lee:______.

I ______ that I were a bird.

Tom, with his parents______ to America. They_____ back in two weeks.

The old man lives in a village_______, but he never feels________.