问题

e is such an occasion ___________ weknow lots of words, but we can’t choose a suitable one to express ourselves.

A:where
B:when
C:which
D:what

正确答案是：

同类题型

The U. S．declares ithas the best medical technology in the world，but quite alot of Americans have no ____to health care service．

Energy drinks are not allowed _______ inAustralia but are brought in from New Zealand.

When the news came _______ the war broke out, he decided to serve in the army.[ ]

So far this year we _______ a fall in house prices by between 5 and 10 percent

___ you need, ____you’ll feel in J. K. Rowing’s book.