问题

time of HINI, scientists ____ their spare timeto conduct research on the ways of curing the disease

A:however
B:whatever
C:whichever
D:whenever

正确答案是：

同类题型

How can I get good grades in exams — The ___ careful you are, the ___ mistakes you will make.

Is your sister as serious as you — No, she isn’t. She is .

Please don’t phone him between 1 and 3 p.mtomorrowHe _____ a lecture then

下列句中古诗句不符合语境的一项是（）

She seized __ my suggestion and began to work immediately.[ ]