In this district for five months or more of the year, no construction can be done _______ the rainy season makes it impossible.
#72644
A
before
B
while
C
until
D
when
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The pen ______he is writing is mine. 
#73790
A
with which
B
in which
C
on which
D
by which
May and susan are twins and I can’t tell_____is_____.
#73040
A
which ;who
B
which ;which
C
who ;whom
D
whom ;who
— Shall I give you a ride since you live so far away?— Thank you. _______.
#70289
A
It couldn’t be better
B
Of course you can
C
If you like
D
If you are convenient