1 . The clerk ________ his letter is working in our company.

A．referred

B．referred to

C．referred to in

D．referred in

2 . The Olympic flame, in a beautifully lantern, was being protected by Chinese guards.

A．decorating

B．being decorated

C．decorated

D．having been decorated

3 . In fact, Hemingway wrote novels and short stories ________ on his personal experiences of the First World War.

A．based

B．to base

C．basing

D．being based

4 . UNICEF, a United Nations organization, often offers help ______ by children all over the world.

A．needing

B．needed

C．to need

D．need

5 . This week’s amazing story comes all the way from India. It is about a teenager ________ a huge difference in a small village ________ in West Bengal.

A．made; located

B．making; located

C．made; locating

D．making; locating

6 . One of the students ________ from the university for cheating in exams worked part-time on the dairy farm.

A．were expelled	B．had been expelled
C．was expelled	D．expelled

7 . The man ________ a blue jacket at the party was a doctor.

A．put on

B．dressed in

C．had on

D．wore

8 . The information ________ to us is of great value.

A．brought

B．taken

C．being taken

D．being brought

9 . Despite every means ______ to unlock the secrets of nature, there still exist certain elements in the life cycle of the insect that are not fully understood.

A．has been tried

B．have been tried

C．tried

D．tries

10 . After ________ many times, the small town, also simply ________ as “Golden Town”, has attracted a large number of tourists.

A．recommending; being referred to

B．recommended; referring to

C．being recommended; referring to

D．having been recommended; referred to