________ fog it is!

A.How heavy B.What a heavy

C.What heavy D.How heavy the

The couple ________ their new flat since the end of last month. They haven't finished yet.

A.have been decorating B.have decorated

C.has been decorating D.was decorating

When you're learning English, use it, ________ you'll lose it.

A.but B.or C.then D.and

Computers are useful. For example, they can ________ sending e-mail.

A.used to B.be used to C.be used for D.be used

Don’t be afraid of questions if you don’t understand what I’ve taught in today’s lesson.

A.raise B.raised C.raising D.to raise

________ limited in the world.

A.Nature resource is B.Nature resource are

C.Natural resources are D.Natural resource is

Oxygen helps the fish stay ________.

A.living B.alive C.love D.life

When Tom arrived, he learned the TV play ________ for half an hour.

A.had begun B.had been on C.had set off D.had started

Miss Zhao is very helpful. She often helps us ____we are in trouble.

A.whether B.although C.whenever D.however

________student's English speaking and writing abilities is very important.

A.To improve B.Improving C.Improved D.Improve