The process of producing electricity may also give out CO2, _______ you heat your house with electricity instead of charcoal.
| A．even if | B．as long as | C．as if | D．as soon as |
--- Do you mind if I record your lecture?
--- ________. Go ahead.
| A．Never mind | B．No way |
| C．Not at all | D．No. You’d better not |
My chest _______ when I make a deep breath, doctor.
| A．harms | B．hurts | C．wounds | D．injures |
--- How can I use iPhone 4s?
--- Just refer to the _________.
| A．explanations | B．expressions | C．directions | D．Preparations |
What I need is book that contains ABC of oil painting.
| A．a; 不填 | B．the; 不填 | C．the; an | D．a; the |
It is not who is right but what is rightis of importance.
| A．which | B．it | C．that | D．this |