Some scientists think that it may take ______years to make robots look like people,  and do the same things as us.
#51743
A
hundreds of
B
two hundreds of
C
two hundreds
D
two hundred of
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How do we say the number “4,135”?
#51772
A
four thousand, one hundred, thirty five
B
four thousand, one hundred and three five
C
four thousand, one hundred and thirty five
D
four thousand, one hundred and thirty-five
_____ soldiers and doctors have been in Wenchuan to help the people there.
#51747
A
Thousand of
B
Two thousands
C
Thousands of
D
Many thousands of
    of the students in our class        money for the disabled people these days.
#51566
A
Half; has raised
B
Two thirds; has raised
C
Three fourth ; have raised
D
Three fifths; have raised
        people came to the Great Wall during May Day Holiday.  
#51416
A
Million
B
Millions of
C
Million of
D
Ten millions