16. Please _____ the volume of the TV. I’m studying for the coming exam.
A. suggest B. link C. adjust D. turn
17. You should read the __________ on the prescription before using the drug.
A. instruction B. suggestion C. production D. calculation
18. Can you please tell me ______ the TV with the remote control.
A. what to operate B. operating C. how to operate D. which operates
19. An _______ is used for keeping the air cool or warm.
A. air-condition B. air-conditioning C. conditioning-air D. air-conditioner
20. That Tom was capable ______ passing the exam makes us satisfied.
A. in B. on C. of D. at