He has been in the USA        .
#51279
A
since a month
B
for a month
C
for a month ago
D
in a month
推荐题目
 ― How do you say the number 110,206, Bob?  ― It’s ________.
#51159
A
one hundred and ten thousand, two hundred and six.
B
one hundred and ten thousands and two hundreds and six.
C
one hundred and ten thousand and two hundred and six.
D
one hundred, ten thousand, two hundred and six.
There are __________ flowers in the square during National Day.
#51616
A
million of
B
millions of
C
two millions
D
two millions of
About _____ of the world population is Chinese. 
#51889
A
one third
B
one fourth
C
one fifth
D
one sixth
220,309 should be read____________.
#51802
A
two thousand and twenty thousands,three hundred and nine
B
two hundred and twenty thousand and three hundred and nine
C
two hundred and twenty thousands and three hundred and nine
D
two hundred and twenty thousand,three hundred and nine