The store had to a number of clerks because sales were down.
| A．lay out | B．lay off | C．lay aside | D．lay down |
To the parents' worry, some middle school students are _______ computer games and completely forget their studies.
| A．crazy about | B．burying in | C．very proud of | D．tired of |
His sister left home in 1998, and _______ever since.
| A．has not heard from | B．had not heard from |
| C．has not been heard of | D．had not been heard of |
I couldn't do my homework with all that noise
| A．to go on | B．goes on | C．went on | D．going on |
I have got my baby ______recently, and I'm going to have Jenny ________it tomorrow.
| A．looked after; care about | B．to take good care; care for |
| C．taken good care of; care for | D．looked after; taken good care of |
Hurry up! The train_______. You know, it________at 8: 30 am.
| A．leaves; leaves | B．is leaving; leaves |
| C．leaves; is leaving | D．is leaving; is leaving |