问题

ns very heavily in this area, whichhas _ annual rainfall of 7,000 mm, _ideal environment for forests.

A:the; an
B:an; 不填
C:an; an
D:不填; the

正确答案是：

同类题型

The climbers succeeded ______ finding the way and got to the top finally.

told that there were about 50 foreign students Chinesein the school, most werefrom Germany

The time he has devoted in the past years __________ the disabled is now considered to be__________ great value __________ him.

Plenty of foreign firms have _____ factories here.

There are fifty students in our class, _____ of us _____ football.