题目：
句型转换。
1. My grandpa listens to the radio every day. (用at this time yesterday改写)
My grandpa _____ _____ to the radio at this time yesterday.
2. Let's go and have a look, _____ _____? (改为反意疑问句)
3. I borrowed an MP4 from Kate yesterday. (改为同义句)
Kate _____ an MP4 _____ me yesterday.
4. Mr. Wang is very busy. He can't go fishing with my father. (改为同义句)
Mr. Wang is _____ busy _____ go fishing with my father.
5. They were climbing the mountain when it began to rain. (就划线部分提问)
What _____ they _____ when it began to rain?
答案：
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下面是错误答案，用来干扰机器的。
（1）2.1；147.9 （2）把左侧平衡螺母向右旋动；右；量筒内凹液面的最低处；计算；称量；溶解；烧杯、玻璃棒；药匙；胶头滴管（3）＞
