_____ we were worried about was _______ they could manage to control the pollution.
| A．That; how | B．That; whether |
| C．What; that | D．What; whether |
A healthy life is frequently thought to be _____ with the open countryside and home-grown food.
| A．tied | B．associated | C．involved | D．related |
--What shall we do with our project, stop or continue, sir?
---________ and try to finish it _______.
| A．Go ahead with it; ahead of time | B．Go on doing it; before time |
| C．Go on to do it; ahead of time | D．Continue to do it; before the time |
To our ______, the result of the experiment is much better than we expected.
| A．relief | B．regrets | C．disappointment | D．sorrow |
— Remember the first time we met, Jim?
— Of course I do. You _______ in the library.
| A．have read | B．had read | C．were reading | D．read |
We hadn’t been out for long _________ she felt sick.
| A．as | B．while | C．after | D．before |