29．What troubles her is that she can’t buy_____she wants with the money she earns．
| A．whatever | B．whichever | C．however | D．Whenever |
The computer was used in teaching. As a result, not only __________，but students became more interested in the lessons.
| A．saved was teachers' energy |
| B．was teachers' energy saved |
| C．teachers' energy was saved |
| D．was saved teachers' energy |
I can't say which wine is best—it's a(n)__________ of personal taste.
A'，affair B. event C. matter D. variety
—I need to advertise for a roommate for next term.
—__________？ Mary is interested.
| A．Why bother | B．Why not | C．So what | D．What for |
It was so dark in the cinema that I could hardly __________ my friend.
| A．turn out | B．bring out | C．call out | D．pick out |
Theydidn't know _________ to do with themselveswhen the project was finished.
| A．how | B．when | C．what | D．where |