1 . They promised to take action, if        , to maintain financial stability in the Euro area as a whole.

A．needed

B．is needed

C．to be needed

D．to need

2 . If not ______ in time, a problem will cause more problems in your life.

A．deal with

B．being dealt with

C．dealt with

D．to deal with

3 . The simple wooden home has changed remarkably little as if in the 1950s.

A．being stuck

B．having stuck

C．to be stuck

D．stuck

4 . You are supposed to do as            when being in a foreign country.

A．tell

B．telling

C．told

D．to tell

5 . Unless ________ to give your opinion at the conference, you should keep silent.

A．being allowed

B．having allowed

C．allowed

D．allowing

6 . The task is demanding, and ________ you may turn to the manager. I am sure he is glad to help.

A．if any

B．if not

C．if necessary

D．if possible

7 . The additional weight puts a strain on the ducks’ muscles, ______ their wings to twist and drop open, and if ______ fast, they can lose the ability to fly.

A．causes; treated	B．causing; treated
C．causing; isn’t treated	D．causing; not treated

8 . If __________ (observe) the golden rule: reduce, reuse and recycle, we can make a better world for our next generations.

A．observed	B．observing
C．having observed	D．not observing

9 . I think she is right, because a person can be surely remembered by us if ________ every day.

A．seeing

B．seen

C．to see

D．is seen

10 . He felt _________ when ________ before his classmate’s.

A．embarrassing; making fun	B．embarrassed; made fun of
C．embarrassing; to be made fun of	D．embarrassed; being made fun