She   until his mother got back home.That’s why she was so tired.
#40176
A
didn’t sleep
B
doesn’t sleep
C
slept
D
sleeped
推荐题目
It’s reported that a light rail from Nanjing to Lishui        by the end of 2015.
#36887
A
has been completed
B
is completed
C
was completed
D
will be completed
 The young mother often _________ her child alone at home.
#36220
A
forget
B
forgets
C
leave
D
leaves
I      my homework, I guess I can't join you.
#42122
A
don't finish
B
didn't finish
C
haven't finished
D
won't finish