We should always keep the classroom ________ and tidy.
#55199
A
cleaning
B
cleaned
C
to clean
D
clean
推荐题目
________it was to see so many elephants ________ along the street!
#52755
A
How great fun; marching
B
What a great fun; to march
C
What great fun; marching
D
How great a fun; to march
Usually soft colors make people __________. 
#59590
A
relaxing
B
relaxed
C
exciting
D
excited
The decision about the price _____ in a few days. So they have to wait.
#52751
A
will be made
B
was made
C
is being made
D
is made
_______ make a fire with me? They are waiting for us to cook over there.
#53659
A
Let’s
B
What about
C
Why not
D
Why don’t