一．单项选择（15分）
( )1--How did you work out the math problem?
-- .
A.To ask the teacher for help. B.By trying another way
C.Because the teacher helped me
( )2.She had great trouble where he was working.
A. find B.to find C.finding
( )3. --She didn’t come to school yesterday,did she ?
-- , though she was not feeling well.
A.No,she didn’t B.Yes,she did C. No,she did
( )4. –Do you know ? –Sorry ,I don’t know.
A.Who will clean the classroom B.Where has he gone C.What did he say
