We can't work out the physics problem. Can you tell us         ?
#71032
A
how to do
B
what to do it
C
how to do it
D
what should to do
推荐题目
Ann has a new Iphone 4s, ______?
#69695
A
does she
B
has she
C
doesn’t she
D
isn’t she
--Spell“color”,please.---______.
#69208
A
Yes,I do
B
Yes,I am
C
C-O-L-O-R
D
Yes,C-O-L-O-R
The old man needs our help, ______ ?
#69810
A
needn’t he
B
need he
C
doesn’t he
D
does he
——Mary hasn’t paid for the school things , has she ? ——_________. Her mother will pay for her . 
#70592
A
Yes , she has
B
No , she hasn’t
C
Yes , she did
D
No, she didn’t