—Do you think you could get this package ________ for me, please?
—No problem!
| A．to mail | B．mailed |
| C．mailing | D．mail |
I like to listen to music ______ I’m having a walk in the evening.
| A．since | B．after | C．while | D．before |
______ the terrible pollution, so many beautiful fish are fast disappearing in the river.
| A．According to | B．Because of | C．Because | D．As a result |
All of us found ______ difficult to work out the maths problem.
| A．what | B．that | C．which | D．it |
Doyouhappentoknow________?
| A．whereisheraddress | B．inwhichplaceisheraddress |
| C．whatheraddressis | D．theplaceheraddressis |
Let Tom play with your toys as well, Clare—you must learn to_______.
| A．support | B．care | C．spare | D．share |