The medicine works more effectively _______ you drink some hot water after taking it.
| A．as | B．until | C．although | D．if |
Henry,____ Mary and Tom, is coming to China for a visit. Which is wrong?
| A．together with | B．like | C．and not | D．but in addition to |
____ the students likes the paintings. Which is wrong?
| A．The teacher as well as | B．Nobody but | C．The teacher besides | D．All except |
Something must be done to prevent our city ____ by thick smoke.
| A．to be polluted | B．from polluting | C．from being polluted | D．polluting |
To tell you the truth, I have nothing to do ____ it.
| A．about | B．with | C．for | D．of |
Did you have any trouble ____ the post office?
| A．to have found | B．with finding | C．to find | D．in finding |