题目

根据句意及首字母提示，补全单词。   1. Where is the Sahara, the famous d　  　 　?   2. China is about 9,600,000 s　  　 　 kilometers in size.   3. It’s very important for everyone to p　  　 　 the environment.   4. It snowed heavily last night. Today there is t　  　 　 snow on the ground.   5. The climbers s　  　 　 in reaching the top of the mountain in the end. 答案：1. desert  2. square 3. protect 4. thick 5. succeeded

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