word formation

Now we are still looking for the ______ to the problem of traffic accidents.

• solution
• solve
• solver
• solvable

Since the goal seems ______, I believe we should begin at once.

• achievable
• achieve
• achievement
• achieving

We ______ hundreds of bottles for our recycling plan.

• collected
• collection
• collective
• collectively

Teachers ______ students in various subjects.

• educate
• educative
• education
• educatively

Read the book ______ and you can find the information you need.

• carefully
• care
• careful
• caring

The teacher ______ the students' performance based on their understanding of the subject.

• evaluated
• evaluation
• evaluative
• evaluatively

Fortunately, the plane landed ______ after the violent storm.

• safely
• safety
• safe
• safest

You shouldn’t ______ others if you also have a lot of mistakes

• criticize
• critic
• critical
• critically

The information in that article is ______ inaccurate.

• historically
• historian
• historical
• history

The expert could ______ the rare species of bird in the forest.

• recognize
• recognition
• recognizable
• recognizably