tourists visit the Great Wall every year.
| A．Million of | B．Millions of |
| C．five million of | D．five millions of |
–Don’t you tell me that they have gone to Australia?
-Sure.But I don't know _________.
A.when they have come back
B.when have they come back
C.when did they come back
-It' s so hot today.
--Why don’t you __ your jacket?
A.take away B.take off C.take back
-Your school is so beautiful.
--Thanks! A modern stadium and a big garden ______ to make it nicer this year.
A.will be built
B.has been built
C.is built
I had some _______ , vegetables and two eggs for dinner.
A.rice B.noodle C.banana
Playing computer games too often our eyes.
A.is helpful to
B.is harmful to
C.is good for