Would you give Johnny this letter if you ________ to see him this week.
A. will happen
B. happen
C. are happened
D. happened
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Mary lives in the room, the door _____ opens east.
A. of it
B. of which
C. of that
D. whose
The engineer _____ my father is talking has just come from abroad.
A. with whom
B. with who
C. with which
D. that
Is there anything _____ I can do for you?
A. which
B. who
C. as
D. that
This is the reason _____ they are all against the plan.
A. which
B. that
C. why
D. what