They have decided to finish theirwork, ______, I think is a wise choice.
A. that
B. what
C. which
D. wether
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Many countries are now setting up national parks________ animals and plants can be protected.
The book tells stories of the earthquake through the eyes of those ________ lives were affected.
Happiness and success often come to those ________are good at recognizing their own strengths.
He may win the competition, in________ case he is likely to get into the national team.