See the flags on top of the building? That was _________we did this morning.
A. when
B. which
C. where
D. what
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I had neither a raincoat nor an umbrella ___________I got wet through.
A. It’s the reason
B. That’s why
C. There’s why
D. It’s how
China is becoming stronger and stronger. It is no long __________.
A. what it used to be
B. What it was used to being
C. what it used to being
D. what it was used to be
Go and get your coat. It’s__________ you left it.
A. there
B. there where
C. where
D. place
The energy is __________makes the cells able to do their work.
A. what
B. that
C. which
D. such