The pressure of this gas pipe is greater than__________.
#84351
A
the gas pipe
B
of the gas pipe
C
that of the gas pipe
D
those of the gas pipe
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--- He has never learned French. ---- __________.
#83089
A
So I did
B
So have I
C
Nor I have
D
The same with me.
Not until he left his home _____ to know how important the family was for him.
#81061
A
did he begin
B
had he begun
C
he began
D
he has begun
—— My mother does a lot of housework before going to work,but she has never been late. —— _____. 
#83912
A
So does my mother
B
Neither does my mother
C
Nor has my mother
D
So it is with my mother