( )1. What _______ you _______ when your mother came back?
A. are; doing B. were; doing C. did; do D. was; doing
( )2. Helen _______ Tom with his lessons at 8 last night.(优化)
A. was helping B helped C. is helping D helps
( )3. When I got to the station , I saw Mike _______ bus.
A. get on B. get out C. got on D. got into
( )4. _______the barber’s, I had my hair cut.
A. In B. At C. On D. For
( )5. When I saw a stranger riding on my bike, I ______ the police.
A. call B. ask C. called D. asked
