Nature reserves are very important for preserving many animals and plants, which would _______ run the risk of becoming extinct.

 It seems that living green is ________ easy and affordable. A small step makes a big difference.

People often think they are energetic and healthy and don’t need exercise. _______ , I have to warn that it is completely wrong.

I am not sure exactly how much money you will receive, but it will______cover your major expense.

 Our neighbor has ______ ours. 

—You don’t seem to be quite yourself today. What’s wrong? —Oh, I’m suffering from a cold. Nothing serious,  _____. 

Nobody could believe what Chloe says because she is ___________ changing her mind.

He devoted himself _______ to his research and got many achievements.

I’m definitely going to settle in the countryside when I retire. All the words have a similar meaning with the underlined word, Except ______.

— Now that you like the computer so much, why not buy one?— Well, I can’t afford ______ computer at present.

 He reminded me of what I should ______ have forgotten.

Walt, feeling a bit tired, decided to stop off ______ in Hong Kong on the way to Singapore. 

China Daily is _________ a newspaper. It helps greatly to improve our English.

I can’t say I’m the best. I have only ______ made more efforts than others.

What a terrible experience ! ________, you’re safe now —— that’s the main thing.

 Mr. Green ______ goes to the park for a walk with some friends after supper.

Cloning plants is straightforward while cloning animals is _____________ more complicated.

-- ______________, I can make it home by 8:30 when the football game will be on TV. -- Well, it depends on how efficiently you work.

There is no need to add in trees to create shade because many town and city gardens are __________ shaded by buildings.

It is_____ any wonder that his friend doesn't like watching television much.