144. This method must be very effective, for I’ve seen it _______ jobs by many different people.

145. When people talk about the famous attractions in Changzhou, the first ______ comes into their mind is China Dinosaur Park.

146. What a pity it is that Bob ______ the habit of smoking at such an early age!

147. --- Where does Jack work?

--- I’m not sure, but he worked at Motorola when I last met him, _____.

148. My father never _____ the idea that money brings happiness.

149. Do not start a book unless you can see from the first few pages that it is ______ you can easily read and understand.

150. He was never late for school, _______ more than once by the class teacher..

152. The residents approve of the measure ______ so far in our city, _____ to bring a sharp rise in oil prices.

153. Though our city has a good public transport system, _____ private car is becoming _____ popular means of transport.

154. Using renewable energy is a simple idea, but ______ we find it hard to put into practice.