We have to learn  __________ words this term..
#51293
A
twenty-three thousand and eight hundred and thirteen
B
twenty-three thousand and eight hundred thirteen
C
twenty-three thousand eight hundred and thirteen
D
two three thousand eight hundred and thirteen
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It may take _________ years to make such robots .        
#51467
A
hundred of
B
two hundreds
C
hundreds of
D
hundred
 It is said that the gravity on Mars is only about __________ of the gravity on earth.
#50894
A
three-eighths
B
third-eighth
C
three-eighth
D
third-eighth
We don’t have enough nurses to look after the patients. At least______ are needed.
#51723
A
ten another nurses
B
more ten nurses
C
other ten nurses
D
another ten nurses
He knows _______ English but he has _____ English friends. 
#51804
A
few; little
B
little; few
C
little; a few
D
a few; little
Please turn to page           and look at the          picture in this unit.
#51662
A
twentieth; one
B
twenty; one
C
twentieth; first
D
twenty; first