一、单项填空（共20分，每小题2分）
从下列各题所给的四个选项中，选择可以填入空白处的最佳选项。将其字母代号写在题前括号内。
( ) 1. John sings very well. We listened to sing a beautiful song yesterday.
A. he B. him C. she D. her
( ) 2. The room a bit untidy now. Why don’t you tidy it up?
A. is B. are C. was D. were
( ) 3. Don’t be shy. Try . English as much as possible.
A. speak B. spoke C. speaking D. to speak
