—What a clean and bright classroom, isn’t it?—Yes, it’s always clean and bright because it       every day.
#39281
A
cleans
B
cleaned
C
is cleaned
D
was cleaned
推荐题目
 Father was very angry because his favorite glass ________ by his pet dog.
#36239
A
broke
B
has broken
C
was broken
D
has been broken
Look, The boys and girls       over there.
#40351
A
play games
B
playing games
C
are playing games
D
plays games
Great changes        in our city last year.
#40449
A
happen
B
happened
C
take place
D
took place