He laughed __________ when he was watching “Tom and Jerry” on TV.

If someone doesn’t put the coal in, the fire will go out.  

Unless ......................................................

She never (eat) this kind of this food before.                       .............................................

Keeping the environment clean is very important.

It’s ............................................................

(FOREST ) is now a serious problem in Viet Nam.           ..........................................

I am very ( WORRY ) because they use electricity to catch fish.  .....................................

Circle the word of which the underlined sound is pronounced differently from the others

Why don’t you plant some trees around your house to get more fresh air?

How about................................................

The gas from chemical factory is extremely  (HARM).      ..........................................

We are looking forward to ( hear) from you.                       .............................................

She was sick yesterday, _________she was absent from school .

That's wonderful . I’m pleased _________you are working hard.

If you want to save money, you should ________the amount of water your family uses.

What are you looking ____________? My picture book. I’ve lost it.

He suggests (take) the bus to school.                                   .............................................