----When did you go to bed last night, Tom?----At 10 pm. But my mother___________,
#52044
A
is working
B
works
C
was working
D
worked
推荐题目
Please listen to the teacher carefully. Don't ______ the window.
#53757
A
look out
B
look into
C
look out at
D
look out of
How dirty your rooms are! You need to ___________. 
#54813
A
put them up
B
call them up
C
clean them up
D
give them up
We decide ________ the Great Wall next week.
#54263
A
to visit
B
visiting
C
visited
D
visit
The red socks          $4.
#60930
A
are
B
is
C
am
D
can