Mr. Green          his lessons when I went into his office.
#36608
A
prepares
B
prepared
C
is preparing
D
was preparing
推荐题目
 Please be quiet. My little child _______.
#40370
A
go to bed
B
is sleeping
C
sleeps
D
going to school
— Why didn’t you leave school? It’s already eight o’clock.— Because I            my homework yet.
#42038
A
wasn’t finishing
B
wouldn’t finish
C
haven’t finished
D
wasn’t finished