On the wall hung an overcoat, _______color is blue.  
whose         B. of which         C. which        D. its

It is ______ to rain this afternoon.

---Have you been to the National Theatre?
---No, but I’ve         bought two tickets for the concert to be given this weekend.

Autumn coming, the leaves have ________turned into brown color.

There was such a long queue for coffee at the interval that we _____gave up.

The value of a leader is something to be felt and experienced.         can it be put into words.

This tree looks high and strong but ____ its trunk is hollow.

The house, which is large and is surrounded by trees and flowers, is       what she longs for ．

—Jane, Peter has got a well-paid job in a foreign company.
—You mean he is much _____ now.

The members of the board are discussing the problem right now; it will _____ have been solved by the end of next week．