十一、教室脏了，大家一起打扫教室。连词成句，并组成完整的对话。
A:
Let's clean our classroom.
1. clean, our, let’s, classroom (.)
B: Good idea!
A: I can clean the blackboard.
B:
I can sweep the floor.
2. can, floor, the, I, sweep (.)
A:
Let's put away the books.
3. books, let’s, the, put away (.)
B: All right.
A:
Our classroom is clean now. / Now our classroom is clean.
4. classroom, clean, is, now, our (.)
B: Yes.
Let's keep it clean.
5. clean, it, let’s, keep (.)
解析：
【解析】
1. 该句为祈使句，遵循“Let's + 动词原形 + 宾语”结构，组合为Let's clean our classroom.
2. 该句为主谓宾结构的陈述句，主语为I，谓语部分为can sweep，宾语为the floor，组合为I can sweep the floor.
3. 该句为祈使句，put away是固定短语，遵循“Let's + 动词短语 + 宾语”结构，组合为Let's put away the books.
4. 该句为陈述句，主语为our classroom，系动词为is，表语为clean now，可调整语序为Our classroom is clean now. 或Now our classroom is clean.
5. 该句为祈使句，keep it clean是固定表达，遵循“Let's + 动词短语 + 宾语补足语”结构，组合为Let's keep it clean.
【答案】
1. Let's clean our classroom.
2. I can sweep the floor.
3. Let's put away the books.
4. Our classroom is clean now. / Now our classroom is clean.
5. Let's keep it clean.
【知识点】
祈使句结构、陈述句语序、日常交际用语
【点评】
本题围绕打扫教室的校园日常场景设置对话，考查祈使句与陈述句的正确语序，同时涉及clean, sweep, put away等常用短语的运用，帮助学生熟悉校园交际对话的表达。
【难度系数】
0.8
