—Have you finished your book report?

—Not yet. I couldn't________on it with so loud music next door last night.

A．draw             B．devote            C．direct            D．concentrate

Once we have________some knowledge, things do not become more difficult, but comprehensible.

A．required          B．acquired          C．inquired          D．inspired

The chief editor demanded  that  the  article ________immediately.

A．must be submitted  B．would be submitted C．submits           D．be submitted

Tom is a promising student. I am sure that with his________effort, he will make a very successful scientist.

A．usual             B．constant          C．content           D．normal

We are hoping that these measures taken by the local government will help________things a bit.

A．sweep up         B．speed up          C．make up          D．save up

The girl acted properly and confidently during the job interview, which made a deep________on the employer.

A．impression        B．expression         C．permission        D．admission

A quarrel________， which made him________his family.

A．was broken out; break away

B．broke out; break away from

C．was broken away; break down

D．broke down; break out

The government of China has________time and time again its position on the relations between China and Japan.

A．clarified          B．proved           C．made sure         D．showed

The medical team________ten doctors and six nurses.

A．makes up         B．consists of         C．adds up           D．consists in

The teacher stressed again that the students should not________any important details while retelling the story.

A．bring out          B．let out            C．leave out          D．make out