This is a very interesting book． I’ll buy it, _____．
| A．how much may it cost | B．no matter how it may cost |
| C．however much it may cost | D．whatever may it cost |
I have never dined with you, sir; and I see no reason.
| A．how can I know | B．how I ought to know |
| C．why shall I know | D．why I should know |
Nowadays,mobile phone ispopular means of communication.
| A．the; a | B．a; 不填 | C．the; the | D．a; the |
, most teenagers now listen to rock music . However , Jonah prefers classical music .
| A．In a word | B．In general | C．In particular | D．In total |
It rained nonstop for ten days , completely our holiday.
| A．to ruin | B．ruined | C．having ruined | D．ruining |
How come you stepped into the lab with your shoes on ? You’re to take them off before you enter it . I told you so !
| A．expected | B．supposed | C．forbidden | D．permitted |