15. A world-famous ballet company’s 42-year absence from Beijing will end it brings a new production to the stage this week.
| A．since | B．when | C．unless | D．until |
At first Mr. Sally was ______ of planes, but two years later, ______ to other countries on business is his main business.
| A．scared; flying | B．frightening; flight | C．frightened; flight | D．scaring; flying |
After children leave home for university, it’s usually the parents that______ their children, not on the other way round.
| A．link | B．associate | C．contact | D．touch |
—You couldn't have chosen any gift for me. 
—I'm glad you like it so much.
| A．bad | B．worse | C．nice | D．nicer |
This kind of cloth _______ well. I think it is worthy ________.
| A．washes; buying | B．is washed; buying |
| C．washes; to be bought | D．is washed; to be bought |
______has the children burdened with too much homework nowadays?
| A．It is who that | B．Who is it that |
| C．It was who that | D．Who was it that |