Question

John hadn’t been able to stop smoking suddenly;he had to control his smoking desire ________.

1. A.
   by and by
2. B.
   sooner or later
3. C.
   little by little
4. D.
   from time to time

Answer 1

C
解析：
by and by 不久以后，不一會兒；sooner or later 遲早；little by little相當(dāng)于step by step 漸漸地；from time to time 時常地。句意為：約翰不能立即把煙戒掉，他得慢慢地控制煙癮。