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
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--Mary hasn’t paid for the school things, has she ?--______. Her mother will pay for her. 
#69061
A
Yes, she has
B
No, she hasn’t
C
Yes, she did
D
No, she didn’t
―Shall we have our house painted?―________I think it’s fine as it is.
#68955
A
Why not?
B
Better not.
C
Go ahead.
D
Not exactly.
There isn’t going to be any pollution in the future, _________?
#69657
A
be there
B
be not there
C
is there
D
isn’t there
—What class are you in?—I’m in ____, ____.
#70451
A
grade seven; class three
B
class Three; grade Seven
C
Class Three; Grade Seven
D
Grade three; Class seven