168. The chances are that the whole thing will have been forgotten
by next term.
→In all 

167. The students’ riotous behaviour should have been severely
punished.
→The students deserved

166. I don’t know the first thing about aeronautics.
→I am 

165. The Prime Minister was determined to remain in office.
→The Prime Minister had 

164. Most people regard Dr. Peters as being the best surgeon in his
field. (WIDELY)

163. Don’t wait to be asked if you want a sandwich! (HELP)

Mrs. Pike was so angry that she made a _______ gesture at the driver.

A. rude B. rudeness C. rudely D. rudest

162. Because of the delay we missed our connecting flight.
(MEANT)

161. Teachers think that hard work is good for you. (HARM)

If a boss wants to have a well-qualified staff, he should have to pay his employees _______.

A. appropriate B. appropriately C. appropriation D. appropriating