写一写 连词成句。
1. is, mum, writing, email, an (.)

2. we, cleaning, the, are, room (.)

3. she, washing, is, clothes, the (.)

4. is, it, afternoon, a, in, nice, June (.)

1. Mum is writing an email.
2. We are cleaning the room.
3. She is washing the clothes.
4. It is a nice afternoon in
June.

【分析】
连词成句的解题思路：首先观察每道题的单词，先确定句子的主语（通常是名词或人称代词）；其次判断句子时态，本题均为现在进行时，结构是“主语+be动词+现在分词+其他”；再结合固定搭配和标点符号，调整单词顺序，最后检查语句通顺、语法正确。
【解析】
1. 先确定主语为Mum，现在进行时需搭配be动词is，现在分词writing，再结合固定搭配an email，组合成句子：Mum is writing an email.
2. 主语为人称代词We，对应be动词are，现在分词cleaning，搭配固定短语the room，组合成句子：We are cleaning the room.
3. 主语为人称代词She，对应be动词is，现在分词washing，搭配固定短语the clothes，组合成句子：She is washing the clothes.
4. 主语为It，对应be动词is，搭配固定短语a nice afternoon，时间状语in June放句末，组合成句子：It is a nice afternoon in June.
【答案】
1. Mum is writing an email.
2. We are cleaning the room.
3. She is washing the clothes.
4. It is a nice afternoon in June.
【知识点】
现在进行时、连词成句、固定搭配
【点评】
本题考查现在进行时的陈述句构成及连词成句的基本方法，需要学生掌握现在进行时的结构、人称代词与be动词的搭配，属于英语基础题型，难度适中。
【难度系数】
0.6

听一听 听音，写单词。

1. making 2. telling
3. song 4. classmates
5. singing 6. funny
7. story 8. hat
9. cool