Question

Jack almost fell off the clift, but he managed to ______ until help came.

1. A.
   go on
2. B.
   come on
3. C.
   hang on
4. D.
   put on

Answer 1

C
解析：
四個含on的詞組中，唯有hang on（緊緊抓住不放）符合語境。