At times the balance in nature is ______ , resulting in a number of possibly unforeseen effects.

The first color TV set was considered by most people________this century.

Every minute should_______to work for the motherland.

More and more young girls are ______ to South Korean soap operas because of the beautiful scenes in them.
A adapted       B addicted            C admitted          D affected

This problem may lead to more serious ones if___ unsolved.

Both___     _ and ____   _ laughter do harm to your health.

As he has ______ our patience, we’ll not wait for him any longer.

Jim was not _______ to the club, because at that time he was not a member of it.

When the Greeks had _____ the Persians, a soldier ran from Marathon to Athens.

Don’t make any noise or I will be ____      mad.