27. 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 |
The salmon we ate at the restaurant yesterday is terrific. I’d like to have it again even if it costs ______.
| A．much more twice | B．as much twice |
| C．twice as much | D．as twice much |
Red Sorghum was adapted from Mo Yan’s 1986 novel of the same name, ______ to life a visual landscape of red sorghum and a fiery ______ sun.
| A．brought; setting | B．bringing; setting |
| C．having brought; set | D．bringing; set |
----When can I come for the photos? I need them tomorrow afternoon.
----Theybe ready by 12 o’clock.
| A．can | B．should | C． might | D．need |
I could have helped the old man ______ yesterday morning.
| A．did I come | B．if I came | C．had I come | D．if I should come |
True happiness does notthe possession of money, but the joy of achievement.
| A．contribute to | B．consist in | C．result in | D．add to |