【推荐1】My friend hasn’t ________ my e-mail.

A．answer

B．reply to

C．answered to

D．replied to

【推荐2】The little girl showed much ________ at the snake last night.

A．danger

B．answer

C．surprise

D．symbol

【推荐3】—Mr. Green, can you ________ some questions?
—Sorry, I’m busy. I can’t ________ them.

A．answer; answer to

B．answer; reply to

C．reply; answer

D．reply; reply to

【推荐1】Let’s try our best to _____ paper to save the trees.

A．change

B．make

C．recycle

D．waste

【推荐2】The beach party tonight ________ the end of our summer vacation. Tomorrow we are all going back home and getting ready for school.

A．changes

B．marks

C．passes

D．saves

【推荐1】People should avoid burning wheat stubble（秸秆）, for it can           lots of smoke and causes serious air pollution.

A．protect

B．prevent

C．provide

D．produce

【推荐2】—Nowadays, more and more parents dislike sharing their kids’ photos of their daily life.
—Yes. Because they realize that they should respect and ________ their kids’ privacy.

A．provide

B．prevent

C．protect

D．promise

【推荐3】Yancheng Nature Reserve ________ rare birds with food and cover.

A．provides

B．protects

C．prevents

D．prepares

【推荐1】—Tina, what do you think of our future life?
—The future? Well, I ________ we will work with robots in many ways.

A．know

B．suppose

C．promise

D．understand

【推荐2】The tourists who have visited Lushan National Park say it is hard to _________ its beauty in words.

A．describe

B．catch

C．remember

D．understand

【推荐3】—We can’t ________ how our lives will be if there are no trees.
—It will be terrible. We should plant more trees.

A．imagine

B．think

C．hope

D．understand