It worried her a bit ____ her hair was turning grey.
| A．while | B．that | C．if | D．for |
Now a lot of new technologies can ___ problems in industry.
| A．be applied to solving | B．be applied to solve |
| C．apply to | D．apply for |
The doctor advised her to eat more bean products ____ meat which might be harmful to her heart.
| A．for lack of | B．by means of | C．in place of | D．in favor of |
— May I speak to Mr Smith?
— I am afraid not. He is at a meeting now. It’s not ___.
| A．reliable | B．convenient | C．beneficial | D．available |
No sooner ___ down on bed ___ the telephone rang.
| A．had he lain; than | B．had he lied; when | C．did he lie; than | D．had he laid; before |
It was the training _____ he had as a young man _____ made him such a good engineer.
| A．what ; that | B．that ; what | C．that ; which | D．which : that |