---It seems that you are familiar with this city.
---I _____ English in a high school here for three years. It’s grerat to be back!
| A．have taught | B．taught |
| C．have been teaching | D．had taught |
182. In the time of great trouble, the soldiers _______ their spirits by singing.
| A．kept up | B．kept on | C．kept to | D．kept from |
181. The old man told us most of the story, but _______ the part about the murder.
| A．kept up | B．kept back | C．kept out | D．kept down |
180. The monkey came down and _______ onto the elephants back.
| A．jumped | B．walked | C．flied | D．Marched |
179. Please don’t _____ a joke on the disable. We should try our best to help them.
| A．carry | B．play | C．get | D．Do |
178. My brother has _____ the army for more than five years.
| A．joined | B．been in | C．joined in | D．taken part in |