There are ______students in my class, twenty girls and twenty boys.
#51489
A
forty
B
four
C
twenty
D
fourteen
推荐题目
Elvis Presley has sold more than one______ records all his life.
#51613
A
billion
B
billion of
C
billions of
D
billions
____________ people went to the concert which was held in People’s Square the night of May Day. 
#51874
A
Three thousand, in
B
Thousands, on
C
Many thousand, in
D
Thousands of, on
16-year-old students in England should understand fifteen _______ words.
#51588
A
thousand
B
thousands
C
thousand of
D
thousands of