Our teacher asked us to write a _________ letter in English this morning. 
#51905
A
ninety-word
B
ninety-words
C
ninety word
D
ninety words
推荐题目
_____ of the land in that district ______ covered with trees and grass.
#51429
A
Two-five ; is
B
Two-fifth ; are
C
Two-fifths ; is
D
Two-fifths ; are
The rainstorm killed __________ people at year.
#51386
A
two thousand
B
two thousands
C
two thousand of
D
two thousands of
There are two _______students in my school.
#51822
A
hundreds
B
hundred
C
hundreds of
D
hundred of
--It’s said that __________ people died from car accidents in 2011. --How terrible! 
#51646
A
10 thousands
B
thousand of
C
10 thousands of
D
thousands of
How      _  is your grandmother? She is     _        .
#51420
A
old ; sixty
B
much ; sixty
C
old ; sixtieth
D
much ; sixtieth