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can talk about rules in public places
can advise people not to do something in English
Attention: I prepared some tests for you. Try yourself！
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Test 1 Words test
public
explain
keep sb from sth
warn
parking
litter
adj. 公共的，公开的
v. 解释
保护，使免受
vt. &vi. 警告，告诫
n. 停车
vi.& vt. 乱丢杂物
Please describe the pitures with new words
Please don't____ _____ everywhere.
Please don't______ everywhere.
drop litter
litter
These are all _______signs.
public
They help_______ things and
give us useful information.
explain
explain sth to sb. 给某人解释...
It means “No_________here”.
parking