He devotes ________to ________.
A. himself; teaching B. himself; teach
C. him; teaching D. him; teach
Don’t turn on the radio __________ your mother allows you.
A. unless B. because
C. if D. and
The room ___________ window is open is mine.
A. which B. its C. that D. whose
My mother insist________ sending me to the hospital.
A. of B. on C. in D. about
Shanghai is the city ______ he was born.
A. what B. where C. when D. which
Over 300 students from China______ her class every year.
A. attend B. run
C. exchange D. approve
