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1£®She married an American and became a US________(¹«Ãñ)£®

2£®Don't throw the waste everywhere. Pleaseput it into the d______.

3£®We will choose Tom as our________(´ú±í) to attend the conference.

4£®For an ________(Ƭ¿Ì), he thought he heard steps of someone approaching.

5£®He looked at the gold with________(Ì°À·µÄ)eyes.