( )1. We always listen to Peter ______ in our classroom after school.
A. sings B. sing
C. have sung D. to sing
( )2. Our parents often warn us ball games in the street.
A. to play B. not play C. to not play D. not to play
( )3. —I like the magazine. When will the next one ______?
— Next Wednesday.
A. come on B. go out
C. come out D. call out
