It is well known to all that the kilogram is the international of weight.
#27845
A
position
B
condition
C
conference
D
standard
推荐题目
—What can I do for you?—I want two ____.
#29235
A
bottle of milk
B
bottles of milk
C
bottles of milks
D
bottle of milks
is one of the greatest scientists, who won the Nobel Prize for physics.
#29528
A
Yuan Longping
B
Bisheng
C
Yang Zhenning
D
Zheng He
Girls are afraid of math .They think they have some learning it .
#29311
A
questions
B
problems
C
problem
D
troubles