It/ not easy/ remain/ tranquil/ events/ suddenly/ change/ life.
A.It is not easy remain tranquil when events suddenly change life.
B.It is not easy to remain tranquil when events suddenly change your life.
C.It is not easy remaining tranquil when events suddenly change your life.
D.It is not easy to remain tranquil if events suddenly change life.

They/ leave/ early/ not/ catch/ traffic.
A.They left early so that not to catch in the traffic.
B.They left early to avoid not being caught in the traffic.
C.They left early so as not to get caught in the traffic.
D.They left earlt in order to not get caught in the traffic.

More petrol is consumed nowadays than ten years ago.
A.Not so much petrol was consumed ten years ago as nowadays.
B.Petrol consumption is going down nowadays.
C.We had more petrol ten years ago than we do nowadays.
D.We should consume as much petrol as possible.

I only called the police when I had tried everything else.
A.I didn’t call the police because I had tried everything else.
B.I only called the police after I have tried evyrything else.
C.I only called the police as a last resort.
D.Because I had tried everything else, I called the police.

It may seem strange, but I enjoy hard work.
A.I feel strange about hard work.
B.As it may seem strange, but I enjoy hard work.
C.Strange as it may seem, I enjoy hardwork.
D.Strange as it may seem, but I enjoy hard work.

Among the most remarkable eyes are those of the dragonfly; for this insect has compound eyes make up of tiny eyes.
A.Among
B. those of the dragonfly
C.for this insect
D.make up

During World War II, many Eskimos served in the Army or Navy; another worked on all fields or supplied meat to the armed force.
A.During World War II
B.in the Army or Navy
C.another
D.to the armed force

Our civilization is commonplace to us that rarely we stop to think about its complexity.
A.is commonplace
B.we stop
C.about
D.its complexity

If you are_______of hearing, you will find our hearing aids invaluable.
A.hard
B.short
C.weak
D.poor

His reputation has been greatly__________by the success of his new book.
A.expanded
B.enhanced
C.enlarged
D.heightened