It is fitted with a small transformer, by means of ______ the voltage of the currency can be adjusted.
A. whom
B. which
C. what
D. that
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I don’t know why she’s looking at me ______ she knew me. I’ve never seen her before in my life.
A. as
B. although
C. even if
D. as if
It is hard to avoid mistakes. ______ you correct them conscientiously, it will be all right.
A. In the case
B. As long as
C. Although
Despite
Geometry, ______ I know nothing, seems a very dull subject.
A. that
B. about that
C. which
D. about which
The highest temperature ______ in any furnace on earth is about 10,000 centigrade.
A. we can get
B. that we can get it
C. which we can get it
D. what we can get