—How many birds can you see in the trees?—I can see            birds in the trees.
#51374
A
hundred of
B
five hundreds
C
hundreds of
D
five hundreds of
推荐题目
It is reported that _______ people in the world are suffering from the H1N1 flu.
#51225
A
ten thousand of
B
ten thousands
C
thousands of
D
ten thousands of
.I think _________ of the materials I listened to at the beginning of the exam ____ easy.
#51680
A
three fourths; is
B
third four; are
C
three fourths; are
D
third fourth; are
______ comes after (在……后) seven. 
#51841
A
Six
B
Eight
C
Seven
D
Five
                  of the students in my school are girls.
#51249
A
Two fifths
B
Second fifths
C
Two fifth
D
Fifth two