Group work is a method of teaching ______ tasks and activities are carried out by small groups of pupils.a.which b.that c.for which d.in that为什么选D?这个IN是怎么来得`````
问题描述：
Group work is a method of teaching ______ tasks and activities are carried out by small groups of pupils.
a.which b.that c.for which d.in that
为什么选D?这个IN是怎么来得`````
答