—Don't you think Professor Johnson's lecture is boring?
—No, not at all. He gave us plenty of examples, and we're deeply __________.
| A．surprised |
| B．embarrassed |
| C．disappointed |
| D．impressed |
159. The wages ______ him will be paid tomorrow.
| A．due to | B．because of | C．thanks to | D．according to |
160. I don’t really work here; I ______ until the new secretary arrives.
| A．just help out | B．have just helped out |
| C．am just helping out | D．will just help out |
161. As I was about to speak ______ you interrupted me.
| A．/ | B．when | C．as | D．but |
162. Many countries are increasing their use of natural gas, wind and other forms of ______.
| A．energy | B．source | C．power | D．Material |
163. _____ you are leaving tomorrow, we can eat dinner together tonight.
| A．For | B．Now that | C．When | D．While |