This machine was used -------years ago.
#51793
A
five hundred
B
five hundreds
C
five hundreds of
D
five hundred of
推荐题目
About_______of the engineers in me company were born in the_________．
#51835
A
two-thirds；1970
B
two-thirds；1970s
C
two-third；1970
D
two-third；1970s
The river is very long and it is about .
#51870
A
20 metres wide
B
15 metres long
C
30 metres high
D
50 metres tall
英语数字6,500,431,729读成____________.
#51114
A
six billion ,five hundred million, four hundred and thirty-one thousand, seven hundred and twenty –nine.
B
six thousand and five hundred million, four hundred and thirty-one thousand, seven hundred and twenty –nine.
C
six billion ,five hundred million, four thousand, three hundred and seventeen hundred and twenty –nine.
D
six thousand and five hundred billion four hundred and thirty-one thousand, seven hundred and twenty –nine.
—How old is Steve?—He is ____________ and he has an ___________ sister.
#51515
A
13-year-old; 10 years old
B
13 years old; 11-year-old
C
13 years old; 10-years-old
D
13-years-old; 11-years-old