After a few weeks, the smog began to ________ slowly．

A．go away

B．lift

C．fail

D．raise

Mr Smith is very ________ his son’ s health．

A．worry about

B．worry at

C．worried about

D．worried to

When I got home, I found the raincoat didn’t ________ me．I took the wrong one by mistake．

A．cost

B．take

C．belong to

D．come to

I have never ________ such a place with so strange a name．

A．heard from

B．heard of

C．heard

D．heard to

The newly discovered satellite ________ the scientist who first reported its existence．

A．is named after

B．is named with

C．with the name of

D．named after

My brother ________ the League at the age of fifteen．

A．was joined

B．joined

C．joined in

D．take part in

The dish ________ delicious．May I ________ it?

A．smells; taste

B．is tasted; is smell

C．is smell; smell

D．smelt; taste

He is so kind that he’ll never let you down．You can ________ him．

A．believes

B．believe in

C．agree to

D．feel sure

Keep ________ English every day, and you will be better than anybody else at it．

A．practising reading

B．practising to read

C．to practise to read

D．practise reading

________ the Great Green Wall, the rich farmland in the south has been saved．

A．Thanks for

B．Thanks to

C．Because

D．Since