单项选择题

Living in the central Australian desert has its problems, () obtaining water is not the least.

A. of which
B. for what
C. as
D. whose

<上一题目录下一题>

热门试题

单项选择题

Ten minutes () too short a time to finish this test.

A. is
B. are
C. has
D. have

单项选择题

An ambulance must have priority as it usually has to deal with some kind of ().

A. urgency
B. pressure
C. crisis
D. emergency

相关试题