Question

---I don’t know ___________next.
----You’d better finish your homework first.

A．when to do

B．how to do

C． what to do

D．where to do

Answer 1

C

試題分析：句意：---我不知道下一步做什么?---你最好先做你的作業(yè)，疑問詞+不定式，A when to do 何時做 B how to do 怎么樣做  C  what to do 做什么  D where to do去那做。根據(jù)語境故選C。