The mother didn't know who      the glass because it happened when she was out.
#101735
A
break
B
has broken
C
had broken
D
breaks
推荐题目
If nothing ________, the oceans will turn into fish deserts.
#100592
A
does
B
had been done
C
will do
D
is done
“Are you going to the super market?” “ No,_____.”
#103896
A
I cycle there
B
I walk there
C
to the work
D
I’ve already been there
---I happened to meet Lily yesterday. ---Lucky dog! You _______ each other for exactly two years.
#100161
A
haven’t seen
B
hadn’t seen
C
didn’t see
D
don’t see