When ______ your school ________?
A. did, built B. was， built C. is， built D. was， building
My room _______ tomorrow.
A. is cleaned B. be cleaned C. will be cleaned D. is cleaning
______ trees usually _______ in April?
A. Have, planted B. Are, planted
C. have, been planted D. Do, planted
Mary _______ the song at a party.
A. heard sing B. was heard sing
C. heard to sing D. was heard to sing
Your bike can’t ______ there.
A. be put B. is put C. be putted D. putted
Look! A big modern building _________ in our city.
A. is built B. is being built
C. has been built D. is building
