Growing evidence shows _______ exercising won’t protect us if we sit too much.
| A．when | B．what |
| C．that | D．whether |
There is a common belief among them ________ rubbish can should be put to good use.
| A．which | B．what | C．whether | D．that |
A warm thought suddenly came to me _______ I might buy some flowers for my friend's mother’s 60th birthday.
| A．if | B．when | C．that | D．which |
People have the belief ______ factories should produce fewer things from raw materials, ______ the supply is growing smaller and smaller.
| A．which; that | B．that; of which |
| C．that; whose | D．which; whose |
Your question _____ he didn’t inform you earlier has not yet been answered, _____has aroused our curiosity．
| A．which；which | B．why；it |
| C．that；it | D．why；which |
The question was brought to life again ________a person has the right to end his or her own life and a doctor has the right to assist.
| A．where | B．in which | C．that | D．whether |
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