Question

Dr. Ma used to __________in a hospital.

1. A.
   work
2. B.
   works
3. C.
   worked
4. D.
   working

Answer 1

A
試題分析:此題考查的重點(diǎn)是used to do sth表示過去經(jīng)常做某事,故選A表示馬先生過去在醫(yī)院里工作.
考點(diǎn)：used to do sth的基本用法.
點(diǎn)評(píng)：used to do sth表示過去常常做某事,其否定式和一般疑問句的形式有時(shí)要借助助動(dòng)詞do的形式,構(gòu)成didn’t use  to  do sth和did …use to do sth的結(jié)構(gòu)。還要區(qū)分與be used to doing sth的區(qū)別。