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1£®His ________(Ç»µ÷) changed dramatically when he saw the money.

2£®A chemist can separate a medicine into its ________(×é³É³É·Ö)£®

3£®________(×îÖÕ), the war had to end; it cost too much in both lives and dollars.

4£®I will ________(ѯÎÊ) when to begin our lessons.

5£®The people ________(¿ÞÆü) openly when his death was announced.

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