More measures should be ______ to protect the natural resource.
| A．made | B．taken | C．had | D．done |
A non-smoker can hardly imagine__ pleasure of having__ smoke after a meat.
| A．1, a | B．a, a | C．the, a | D．1,1 |
He has lived at for 30 years.
| A．No. 101 heping Street | B．101 Heping Street |
| C．Heping Street 101 | D．Heping Street No. 101 |
.They have their reasons for keeping their marriage___ secret for ___ moment.
| A．the; a | B．the; the | C．a; the | D．a; a |
Either the boy or his sister must have dinner here.
| A．his | B．her | C．their | D．theirs |
He had decided to give it up , but on____ second thoughts he decided to try___
third time.
| A．the; a | B．/ ; / | C．a; a | D．/ ; a |