They plant ___________ trees on the mountain.
A.thousand of B.thousands of C.two thousands D.two thousand of
We read 10,206 like this: __________
A.one thousand two hundred and six B.ten thousand two hundred and six
C.ten thousand two hundreds and six D.one thousand two hundreds and six
Thursday is the ________ day of a week.
A.four B.five C.fourth D.fifth
There are twelve floors ________my building and I live________ the tenth floor.
A.in; in B.on; on C.in; on D.on; in
Please 1isten to the teacher carefully．Don't ________ the window．
A.1ook to B.1ook into C.1ook out of D.1ook up
Our teachers often share happiness and sadness _________ us.
A.to B.at C.with D.for
