So far, all of the infected people are thought _______ the flu after direct contact with sick birds.
| A．to have caught | B．having caught | C．to catch | D．being caught |
Rather than ________at home watching TV, I'd prefer_______in the office.
| A．working...staying | B．working...stay |
| C．to work...stay | D．work...to stay |
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 |