--- Smoking is bad for your health.
--- Yes, I know. But I can’t .
| A．give it up |
| B．give it in |
| C．give it out |
| D．give it away |
20. John shut everybody out of the kitchen _______ he could prepare his grand surprise for the party.
| A．which | B．when | C．so that | D．as if |
19. _______ rich one may be there is always something one wants.
| A．whatever | B．Whenever | C．however | D．Wherever |
18. _______ I can see, there is only one possible way to keep away from the danger.
| A．As long as | B．As far as | C．Just as | D．Even if |
17. ________ the grandparents love the children, they are strict with them.
| A．While | B．As | C．Since | D．Because |
16. _______ the punishment was unjust, he accepted it without complaint.
| A．So long as | B．Even though | C．Since | D．While |