Among the forests _________ a newly built wildlife research center.
| A．lie | B．lay | C．lies | D．lays |
His parents died when he was five, so he was by his uncle.
| A．brought on | B．brought down |
| C．brought up | D．brought in |
My mother would not permit me back late.
| A．to come | B．come | C．coming | D．came |
—Do you mind if I open the window?
—.
| A．No, you can’t | B．Yes, of course not |
| C．Certainly, please | D．No, go ahead |
Great changes ______ in China in the past 20 years.
| A．took place | B．have taken place |
| C．were taken place | D．have been taken place |
His illness his absence.
| A．explained | B．because of |
| C．accounted for | D．is responsible for |