图文并茂
A: What's that ___⑴___ the wall?
B: It's a _______⑵________.
A: What ____⑶___ it ___⑷____？
B: It means “Danger”．
A: Can I go in?
B: No，____⑸__
You should ___⑹______ the building.
图文并茂
A: What's that ___⑴___ the wall?
B: It's a _______⑵________.
A: What ____⑶___ it ___⑷____？
B: It means “Danger”．
A: Can I go in?
B: No，____⑸__
You should ___⑹______ the building.
（2）
（4）
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