“Would you mind if I _______ one of these books？” “_______.”
| A．took; Certainly not | B．take; Yes, of course |
| C．can take; Yes, please do | D．may take; No, I‘m using it |
21. Mr Zhang is mild in character. He never shouts ____ he is very angry.
| A．if | B．even | C．though | D．even when |
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 |