organ ( <br/>) A: to follow with<br/>the goal of catching; run after. B: one who passes<br/>by, especially by chance. C: a musical<br/>instrument with a keyboard. It is played by pressing keys attached to<br/>a device that forces air through pipes. D: a long seat for<br/>two or more people.

touch<br/>() A: to<br/>put one's hand or fingers on in order to feel. B: to<br/>go forward by using great energy. C: the<br/>condition of being protected from or out of danger. D: to<br/>write using a computer or other device with a keyboard.

A tooth ( <br/>) many parts. A: is made of B: is made<br/>up of C: is made from

Some<br/>words,like<br/>(),<br/>are made up entirely of Greek or Latin prefixes and suffixes. () A: one<br/>engaged in space flight B: one<br/>engaged in the study of the stars C: one<br/>engaged in the study of the universe D: a<br/>scientific observer of the celestial bodies

— Has he passed the exam?<br/>— ( ) He’s one of the top students in our class. A: No one knows for sure. B: Good luck! C: Definitely! D: Well done!