Find a mistake in the four underlined parts of the sentence and correct it:
Brent Bishop is the leader of the Sagarmatha Environmental Expedition (SEE), a nonprofit
organization which established to clean Everest.
A.
the leader
B.
a
C.
which established
D.
to clean
Đáp án và lời giải
Đáp án:C
Lời giải:
which established → established