Every possible means_____ been tried，and we find only______ this means can we do it well．
| A．have，in | B．have，by |
| C．has，in | D．has，by |
______ I’m well again, I can go on with my work.
| A．Even if | B．As though | C．Ever after | D．Now that |
The government has to close those small factories to prevent the water of the river ______.
| A．polluting | B．from polluting | C．being polluted | D．polluted |
We should try our best to ______ those people after the disaster.
| A．break out | B．cheer on | C．break up | D．cheer up |
------We want someone to design the new art museum for us.
------______the young fellow have a try?
| A．May | B．Shall | C．Will | D．Need |
—What do you think of their marriage?
—______, if I were Kate, I would not marry him.
| A．Generally speaking | B．I have no idea | C．To be honest | D．To my surprise |