Choose the best answer to complete the following sentences.
The company is rapidly. It needs to produce and sell more and better products.
A.making a mountain out of a molehill
B.winning by a landslide
C.getting over the hill
D.going downhill

Choose the best answer to complete the following sentences.
She needed money badly. So she had a garage sale in which she sold a lot of her things .
A.dirt cheap
B.once in a blue moon
C.out of this world
D.over the hill

Choose the best answer to complete the following sentences.
Adam is so that he never listens to anyone. He always does what he has decided.
A.chicken
B.bookworm
C.pighead
D.to talk turkey

Choose the best answer to complete the following sentences.
My little brother is . If I get black sneakers, he wants to have black sneakers, too.
A.a bookworm
B.a copycat
C.an early bird
D.a pig head

Choose the best answer to complete the following sentences.
When the teacher walked into the room, each student was at his or her desk, reading a book , .
A.as quiet as a mouse
B.as a bat
C.like a dog
D.chicken

Choose the best answer to complete the following sentences.
Janiver works two jobs and goes to college. He because he wants to get a good education.
A.eats like a horse
B.smells a rat
C.talks turkey
D.works like a dog

Choose the best answer to complete the following sentences.
Louise can fix TVs, paint houses, and build shelves. She’s .
A.going Dutch
B.the real McCoy
C.a jack of all trades
D.a wise guy

Choose the best answer to complete the following sentences.
Griselda wants to get some work experience, and she likes to do a lot of different things. So she’s gotten a job as at the local TV studio.
A.Tom, Dick or Harry
B.a wise guy
C.a smart clerk
D.a girl Friday

Choose the best answer to complete the following sentences.
Don’t be such and acts as if you know it all. Other people won’t like you.
A.a jack of all trades
B.a wise guy
C.the real McCoy
D.a man of means

Read the passage, then choose the one best answer
In the last 100 years, technology has completely changed the way we live. At the touch of a button, we can look up almost anything we need to know on the Internet. We have electricity, aero planes. television, and we have ever been to the moon. So what sort of inventions will there be in the 21st century? In­deed. is there anything important still left to invent?
It seems that there is. Scientists all over the world are looking into Nan technology with a great deal of interest. This is the science of building small machines - and when we say small, we mean very small. To give you an idea of the size scientists are talking about, these machines would be about a million billion times smaller than the smallest bit of dust.
Nan technology will bring about enormous changes. Doctors, for example, will he able to cure any illness. The environment will be improved because it will be possible to take the polluted air we breathe and make it clean again. But perhaps the most exciting thought of all is that we won't have to wait a thousand years for Nan technology - many people believe there is a good chance it will come in our lifetime.
Which of the following is not true?
A.Scientists have a lot of interest in Nan technology .
B.The size of the machines will be much smaller than the smallest bit of dust.
C.Nan technology will bring about some changes in the medical field.
D.Many people believe that they have to wait a thousand years for Nan technology.