【推荐2】Everyone should ________ health code (健康码) if he enters some public places.

A．perform

B．provide

C．consider

【推荐3】—Why do you go to school by bike?
—Because it’s good for my health and it doesn’t ________ the air.

A．break

B．perform

C．produce

D．pollute

【推荐1】—How do you know the man is a pilot? You don’t know him at all.
—From his ________.

A．uniform

B．voice

C．height

D．weight

【推荐2】—Beijing Opera is China’s national opera and it is full of Chinese culture traditions. We can appreciate different kinds of traditional ________ dressed by actors in it.
—Yeah. It’s also a symbol of Chinese culture.

A．clothes

B．customs

C．uniforms

D．costurnes

【推荐3】I’m glad that my school has students wear _______. I don’t have to worry about what clothes to wear to school.

A．glasses

B．caps

C．scarf

D．uniforms

【推荐1】We can add the suffix “er” to the following words to form a new word EXCEPT ________.

A．report

B．visit

C．paint

D．speak

【推荐2】A ________ is someone you don’t know.

A．stranger

B．host

C．visitor