—Tony, come down and help me with the heavy box!
—Come on! I__________ all day long. Get Peter to do that!
| A．work |
| B．had been working |
| C．had worked |
| D．have been working |
相关试题
—Pick, I did very well in the maths exam last week.
—Congratulations, Jim! And I did _____. I got a full mark and 20 extra points.
| A．no better | B．not better | C．no worse | D．even worse |
The college education system should be reformed ______ it can follow the pace of the
economic development. 
| A．so long as | B．so that | C．only if | D．even though |
. Researchers now have some proofs ______ reading the Roman alphabets and Chinese
characters uses different parts of brain.
| A．where | B．when | C．which | D．that |
. He _____ his potential had it not been for his desire to meet new challenges.
| A．would never have realized | B．would never realize |
| C．never realized | D．had never realized |
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