The energy is __________makes the cells able to do their work.
A. what
B. that
C. which
D. such
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The trouble is __________ we are short of tools.
A. what
B. that
C. how
D. why that
America was __________was first called “India” by Columbus.
A. the place
B. what
C. that
D. where
－Are you still thinking about yesterday’s game?－Oh, that’s __________.
A. what makes me fell excited
B. whatever I feel excited about
C. how I feel about it excited
D. when I feel excited
－He was born here.－That is __________ he likes the place so much.
A. that
B. what
C. why
D. how
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