If we keep wasting so much energy, ________ are that our oil wells will dry up and the environment will be destroyed.

I’m really a bit worried because I have no idea what my parents’ _________ will be to my poor examination result．

Chest pains can be a  warning ____of heart problems.

There are more than fifty ________ in our school.

If you are able to create a positive ______towards reading in your home ,your children will be more likely to seek out reading as a way to gain praise

Father went to his doctor for ________ about his heart trouble .

The medicine has a strong side ________ on our health though it works well.

 Nowadays, there is a ____ that receiving education is a waste of time. 

With a good ______ of both Chinese and English,she had an advantage over the other interviewees.

The expert did encourage the ______ of new medical treatments into his own country. 

The fact that she told a lie had a great influence on her ________.   

—What’s the central idea of the passage，Bob?—Sorry，I can’t make________of it.It’s beyond my ability.

Antarctica holds 90% of the world’s ice, and most of its fresh water (70%) is in a frozen          .

Parts of the cave have been badly affected by rain and           to the air.

You were my ______ when I was weak; you were my voice when I couldn’t speak.

It is his first job interview, so there is no room for mistakes in the first        .

It’s really a(n)         that Tony, a child of only two, can play the piano so well.

—Mr．Anderson is popular with his students, for he is kind, strict and knowledgeable． —No wonder he has such a good ___  ．

The earliest English ___ was written in a kind of English that is now difficult ___.  

If you have a very good      of direction, you’ll not get lost anywhere.