1 . 请匹配单词及其英文解释。
1. amazing
2. harmless
3. contented
4. optimistic
5. rewarding
| A.worth doing B.very surprising C.being the only one of its kind D.expecting good things to happen E.a prize for doing something well F.unable or unlikely to cause damage G. showing or feeling happiness or satisfaction |
2. harmless
3. contented
4. optimistic
5. rewarding
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