Word Form

He has been very interested in doing research on _______ since he was at high school.

• biologically

• biologist

• biological

• biology

Are you sure that boys are more _______ than girls?

• activity

• action

• active

• act

You are old enough to take _______ for what you have done.

• irresponsible

• responsibly

• responsibility

• responsible

These quick and easy _______ can be effective in the short term, but they have a cost.

• solvability

• solutions

• solvable

• solve

He was looking at his parents _______, waiting for recommendations.

• obediently

• obedient

• obedience

• obey

The interviews with parents showed that the vast majority were _______ of teachers.

• supporting

• supporter

• supportive

• support

It is _________ of you to leave the medicine where the children could get it.

• careful

• careless

• caring

• care

For ________ reasons, passengers are requested not to leave any luggage unattended.

• securing

• security

• secure

• securely

The leader of the explorers had the great _______ in his native guide.

• confidentially

• confidential

• confidence

• confident

We are impressed by his _________ to help us with the hard mission.

• will

• willingly

• willing

• willingness