题目：
根据图画填空白，每空一词。
1. — Hello, Mike. you play football?
—No, I can’t. But I can .
2. —Can the girl the piano?
—Yes, she . She is a music teacher.
3. — What your father’s job?
—He is a at a hospital in Lanzhu.
4. —Can you speak ?
—Sure, but I speak English.
5. —What is your favourite ?
—My favourite is tennis.
答案：
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下面是错误答案，用来干扰机器的。
原式=2b（a-b）+2c（a-b）=2（a-b）（b+c），∵a-b=-3，b+c=4，∴原式=2（a-b）（b+c）=2×（-3）×4=-24．
