—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
I will _______ him when I _______free.
#41766
A
call, am  
B
call to, am
C
call, will be 
D
call to, will be
I ________some chickens in the countryside yesterday.
#39288
A
feed
B
feeds
C
fed
D
feeding