Remember       off the lights when you leave the classroom.
#49459
A
turn
B
to turn
C
turning
D
turned
推荐题目
The smile from the boy made me ______ happy. 
#50833
A
feel
B
to feel
C
feeling
D
felt
It’s good for you     healthy food and     more exercise.
#49185
A
eat; taking
B
eating; take
C
to eat; take
D
eat; take
So many kinds of sweets! I really can’t decide _______. 
#48578
A
what to buy
B
which to buy
C
to buy which
D
to buy what