Everyone should be able to do ________ they can to make their pany bigger．
A.what
B.that
C.where
D.how
网友回答
A解析句意为“每一个人都应该竭尽所能地使他们的公司做大”。what they can是what they can do的省略形式。基本句式为“sb．do what sb．can(do)to do sth．”，本句型中，what引导的句子作be able to do的宾语；to make their pany bigger作目的状语；what相当于all that，所以