By the time I got to school, I realized that I ________ my pen at home.
A. have forgotten B. have left
C. had forgotten D. had left
— What _______ your bike yesterday?
— It didn’t work.
A. was happened in B. happened in
C. was happened to D. happened to
Salt _______ in East and South China.
A. produce B. is produce
C. is produced D. produced
Singing the song will help you________ when you feel stressed out.
A. set up B. cheer up
C. put up D. think up
What ________ you do if you ______ me?
A. would; were B. will; were C. would; are D. will; are
My hometown has changed a lot. It is _______longer what it used _______.
A. not; to. B. not; to be
C. no; to be D. no, to
