Our classroom is tidy because it ____ every day.
#44421
A
cleans
B
cleaned
C
is cleaned
D
was cleaned
推荐题目
—Hey, Jack. Waste paper ________ here.—Sorry, I won’t do that again.    
#44557
A
cannot throw
B
cannot be thrown
C
will not throw
D
will not be thrown
Everyone of us _____ it’s important _____a seat belt in the car.
#44762
A
knows, wears
B
know, to wear
C
knows, to wear
D
know, wearing
 —Smoking _________in the cinema. Please stop _________. —Sorry, I won’t.
#44571
A
is allowed; smoking
B
allows; to smoke
C
isn’t allowed; smoking
D
isn’t allowed; to smoke