1 . Dr. Norman Bethune, a Canadian doctor ________ broke national boundaries with his ________ to helping Chinese people in their wartime struggle.

A．in his forty; occupation	B．in the forties; intention
C．in his forties; dedication	D．in the forty; commitment

2 . It was at the age of 5 ________ he left his hometown for Shanghai.

A．that

B．when

C．which

D．as

3 . —I want you both to be on your best ______ at Grandad’s.
—OK, we will, Mum.

A．opportunity

B．struggle

C．behavior

D．purpose

4 . Lucy __________ guitar lessons every three weeks in the past three years, but now she is considering she’ll make it every other week.

A．is having

B．had had

C．had

D．has been having

5 . As an island caretaker, Ben Southall made a number of appearances on TV to argue ________ the defence of the Reef.

A．in charge of

B．in response to

C．in favour of

D．in addition to

6 . It's important to develop good reading habits, for reading enables us to________ knowledge and has broadens our horizons.

A．acquire

B．maintain

C．illustrate

D．advance

7 . —Oh, God! I was almost hit by the car. It was driving so fast!
—This is a busy crossroad. You ______ be too careful when crossing the street.

A．may not

B．needn’t

C．mustn’t

D．cannot

8 . Laurence, you look so busy. Is there anything I can do to help you? ________ I do the washing-up?

A．Must

B．Shall

C．Would

D．Will

9 . He became so weak from the loss of blood that_______ we started to think he would not come through.

A．at one time

B．at a time

C．time and again

D．at no time

10 . This company can ______ a lot money for the country in a year.

A．bring up

B．bring in

C．bring down

D．bring out