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【題目】This machine, ______ for many years, is still working perfectly.
A.after which I have looked
B.which I have looked after
C.that I have looked after
D.I have looked after

-________!

A. Have a good time

B. Best wishes to them

C. Thank you very much

D. It’s OK.

【題目】This is the reason ______he didn't come to the meeting.
A.in which
B.with which
C.that
D.for which

【題目】The way ______ he looks at problems is wrong.
A.which
B.whose
C.what
D./

A. ago B. two days ago C. before D. just now

A. million B. three millions C. million of D. millions of

A. unless B. if C. since D. whether

A. How B. How a C. What D. What a

—Yes, I agree.

A. keep health B. to keep health

C. to keep healthy D. keep healthy

【題目】I can never forget the day _______ we worked together and the day ______ we spent together.
A.when; which
B.which; when
C.what; that
D.on which; when