15. puzzle n. 1) something that baffles or confuses

　　2) something, such as a toy or game, that tests one’s ingenuity

　　v. 3) to baffle or confuse mentally

　　What puzzles me is why they didn't show up.

　　He looked a little puzzled.

　　His recent behavior puzzles me.

　　Her decision was a puzzle to him.

　　16. admire v. to regard with pleasure, wonder, and approval

　　We admire her for her diplomatic tact.

　　He admires your poems very much.

　　He admired her new hat.

　　17. appear vi. 1) to become visible

　　2) to seem or look to be

　　3) to come before the public

　　Gradually a smile appeared on her face.

　　It appears they are right.

　　He appeared to be talking to himself.

　　The famous singer is appearing this fall at the Music Festival.

　　Useful expressions

　　1. put forward to offer( an idea, suggestion etc.) for consideration

　　He put forward a very good suggestion at the meeting.

　　You ought to put your watch forward ten minutes.

　　2. believe in 1) to accept as true or real

　　2) to have a firm religious faith

　　3) to have faith or trust in

　　Christians believe in Jesus.

　　We believe in him.

　　Jim believes in fresh air and morning exercises.

　　3. in addition adv. As well as

　　They eat a great deal of fruit in addition.

　　In addition, the course also produces practical experience.

　　4. deal with: do with, concern sth

　　He has learnt to deal properly with all kinds of complicated situations.

　　This book deals with an important issue.

　　I don’t know what they do with the problem=I don’t know how they deal with the problem

　　5. make sense 1) to make sth understand or reasonable

　　2) to have a clear meaning

　　3) to be a wise course of action

　　This sentence doesn't make sense.

　　Your story doesn’t make sense to me

　　Here, read the sentence. It doesn’t seem to make sense.

　　6. base on: to use particular information or facts as a point from which to

　　develop an idea, plan, etc.

　　This play is based on a true story.

　　We should base our theory on facts.

　　7. apart from: without considering; except for

　　He lives apart from his family.

　　Apart from a few faults, he is a trustworthy teacher.

　　Apart from the the cost, the dress doesn’t suit me.

　　8. look into : to investigate

　　We will look into this matter together.

　　9. join in 1) to participate with in an act or activity

　　2) to become a part or member of

　　3) to put sth together

　　Will you join me in a walk?

　　He jion the army.

　　Where does the path join the road?

　　Tie a knot to join those two piece of rope.

　　10. go over 1) go examine

　　2) to look at or examine for a purpose

　　3) to repeat

　　We went over the building.

　　We must go over the account s carefully before we settle down.

　　GO over the lesson again