—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
 The Olympic Games _____ in London in 2012. I hear it _____ in different countries every four years.
#39928
A
is given, is given
B
was held, is held
C
will be held, is held
D
will be given, is given
Look !A boy       on the playground. 
#39826
A
runs
B
running
C
is runing
D
is running
Simon is           his English book, but he can’t _______ it.
#41948
A
looking for, find
B
finding, look for
C
looking after, look for
D
looking at, find