Choose the answer among A, B, C, D to complete each of the sentences below:
The singer was _____ on the piano by her sister.
A.played
B.helped
C.performed
D.accompanied

Choose the answer among A, B, C, D to complete each of the sentences below:
The 27-year-old Soviet cosmonaut became the first person to eat and drink in ______.
A.weightless
B.weighting
C.weightlessness
D.weight

Choose the answer among A, B, C, D to complete each of the sentences below:
My friend Dave was really interested in my best stamp, so I _____ it away to him.
A.brought
B.gave
C.threw
D.put

Choose the answer among A, B, C, D to complete each of the sentences below:
One danger is in...... radioactive wastes which are produced during nuclear reactions.
A.making use of
B.consisting of
C.taking care of
D.getting rid of

Choose the answer among A, B, C, D to complete each of the sentences below:
She frequently volunteers ______ extra work because she really likes her job.
A.to
B.in
C.for
D.with

Choose the answer among A, B, C, D to complete each of the sentences below:
The company expects ________ from its employees.
A.interest
B.loyalty
C.quality
D.constancy

Choose the answer among A, B, C, D to complete each of the sentences below:
A nuclear reactor releases ______ which is dangerous to the environment.
A.energy
B.heat
C.carbon dioxide
D.radiation

Choose the answer among A, B, C, D to complete each of the sentences below:
_____ volleyball players, footballers cannot use their hands in the game.
A.Opposite
B.Unlike
C.Like
D.Different

Choose the answer among A, B, C, D to complete each of the sentences below:
We moved to the countryside for some ________.
A.peace and quiet
B.comfort and advance
C.happiness and enjoyment
D.freedom and pleasure

Choose the answer among A, B, C, D to complete each of the sentences below:
A visit to the Great Wall will certainly bring tourists great ______ in each step of the wall.
A.exciting
B.excitement
C.excite
D.excited