Mr. Zhang has retired already. He in our school for over thirty years.
| A．has worked | B．had worked | C．worked | D．was working |
By the time Jack returned home from England, his son __________from college.
| A．graduated | B．has graduated | C．had been graduating | D．had graduated |
It suddenly __________ to the detective that the millionaire was probably murdered by his own daughter.
| A．happened | B．occurred | C．thought | D．took place |
–Peter told me he wanted to come with us. Is that OK with you?
--I don’t mind _________he pays for his meals.
A. as far as B. as long as C. as well asD as soon as
The teacher, together with his students __________ discussing Writing Skills that __________ newly published in China.
A. are; were B. is ; were C. are; was D is ; was
__________ in central Shanxi Province, Pingyao is famous for its ancient city walls and its architecture which date from the Ming Dynasty.
| A．Locate | B．To locate | C．Located | D．Locating |