This is not the way ____ we did the test last time.

A. with which        B. /                   C. in that          D. which

Criticism and self-criticism _____ necessary _____ it helps us to correct mistakes.

A. is, in that     B. are, in that    C. is, in which  D. are, at that

Medicine shouldn’t be kept _______ it is accessible to children.

The Chinese language differs from Western languages ______, instead of an alphabet, it uses characters which _______ ideas, objects or deeds.

I don’t like the way_____ he speaks to others.