Since you are tired, you’d better＿＿＿and have a good rest.

A. stop to study      B.    stop study    C.  stop studying

 If you don’t know the new word, you’d better ＿＿.

A. look up a dictionary    B. look up an dictionary

C. look it up in a dictionary   D. look up it dictionary

Since you are tired, you’d better＿＿＿and have a good rest.

A. stop to study      B.    stop study    C.  stop studying