问题

Living in the central American desert has its problems, ________ obtaining water is not the least .

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

正确答案是：

同类题型

With the development of agriculture, the people ________ village I taught are now living a happy life.

There are two _______ under the table.

Many in the credit industry expect that credit cardswill eventually ________ paper money foralmost every purchase.[ ]

I wonder ______ you were doing last night.

He________the bag and brought out a couple of coins. [ ]