You should develop healthy eating habits _______ it is too late.
A. after B. because
C. before D. while
Carmen prefers the music that _______ great lyrics.
A. have B. has
C. is D. are
—Mom, I _________ as the president of Students Union in my school .
—Congratulations ! I’m so proud of you .
A. chosen B. chose
C. was chosen D. choose
Because of the bad weather, the sports meeting was _________ .
A. put away B. put up
C. put off D. put on
—Let’s go climbing, shall we ?
— You _______ be joking ! Don’t you know I’m afraid of high places ?
A. can B. should
C. might D. must
There __________a pool in the park, but now it is gone.
A. used to have B. used to be
C. will be D. must be
