--How many birds can you see in the tree? --I can see    birds in the tree.      
#51676
A
hundred of
B
hundreds of
C
five hundreds
D
five hundreds of
推荐题目
---How old is your mother? ---She is ______years old. Today is her ______birthday.
#51162
A
fourteen;fortieth
B
fourty; forty
C
forty;fortieth
D
fortieth;forty
About _______of the engineers in my company seem to be in their _________.
#51108
A
second-nines; fourties
B
two-ninths; forties
C
second-ninths; fortieth
D
two-nineths; fourtieth