Question

【题目】To do the work more successfully, ______ we need is more time.
A.only what
B.all what
C.all that
D.only

Answer 1

【答案】C
【解析】句意：为了把工作做得更成功，我们所需要的一切就是更多的时间。what we need=all that we need，what引导主语从句，相当于all作先行词，后跟that引导的定语从句，所以答案是C。