______ the new life in Qingdao, the old man lived happily with his son after leaving his home in the countryside.
| A．Accustomed to | B．Accustoming to |
| C．Having accustomed to | D．having used to |
When was it________you let out the secret?
| A．which | B．what | C．that | D．why |
-- Have you seen ______pen? I left it here this morning
-- Is it ______black one? I think I saw it somewhere
| A．a；the | B．the；the | C．a；a | D．the；a |
Great changes ______ in the past few years, and a lot of factories ________.
| A．had taken place; have been set up | B．have taken place; have been set up |
| C．took place; have set up | D．were taken place; were set up |
—What about going for a walk?
—______.
| A．Go ahead, please | B．Me, too | C．Help yourself | D．Good idea |
______ with routine office tasks, she had no time to look after her children.
| A．Occupying | B．Occupied | C．Being occupied | D．To be occupied |