31. An e-pal, as you have known, means a friend ______ you write e-mails.
| A．to which | B．for whom | C．about whom | D．to whom |
He _____ a visit to the factory and was warmly _____ by the workers there.
| A．took, welcome | B．took, welcomed |
| C．paid, welcome | D．paid, welcomed |
Sometimes our opinions differ _______ what we choose to observe and how we deal with what we’ve observed
| A．which | B．since | C．because of | D．because |
To her surprise, the manager ______ 30 dollars from her salary without any good reason.
| A．cut off | B．held up | C．brought down | D．kept back |
—Shall we stop for lunch _____ shall we drive on?
—Let’s stop for lunch, but the driver can’t drink _____ drive.
| A．or, and | B．or, or | C．and, or | D．and, and |
In his apartment there are two rooms, _____ is used as a living room.
| A．larger one | B．the larger of which |
| C．the largest one | D．the largest of which |