The first thing _ I should do is to work out a study plan for the next term.

问题描述:

The first thing _ I should do is to work out a study plan for the next term.
A.which B.that C.what D.if 为什么选B,要详细的理由.

定语从句只能用that的情况:1.先行词是不定代词:all,few,little,much,something,nothing,anything等.2.先行词被序数词或形容词*所修饰.3.先行词被all,any,every,each,few,little,no,some,等修饰.4.先行词被 th...