一、单项选择（本大题共20小题，每小题1分，共20分）
在各小题所给的四个选项中，选出可以填入句子空白处的最佳选项，并将答案写在题前的括号内。
( )1. My mother isn’t tall. She is _________ medium build.
A．in B .at C. on D. of
( )2. Remember _________ the window.
A .turn off B. to turn off C. turning off D. turned off
( )3. As getting older, my grandmother has to ________ glasses to see things clearly.
A. wears B. wear C. in D. with
( )4. It’s ________. We have to stay at home.
A. rain and cold B. rainy and cold
C. rains and cold D. will rain and cold
