六. 短文改错（10分）
They were marching towards a building then 81.
they suddenly realized what the officer hadn’t left 82.
him enough time to give the order to turn round 83.
and to stop. So they went on marching straight 84.
into the wall. The soldiers smiled happy as each of 85.
those in the front line decide at the same time to walk 86.
ahead. There was loud noise as they hit the wall 87.
one after another. But before any of them had 88.
no time to smile again, the officer shouted, “If you 89.
have been in a really straight line, I could have heard 90.
only one sound when you hit the wall!” 81.then→when 82.what→that 83.him→himself 84.and→or
网友回答
(答案→)81.then→when 82.what→that 83.him→himself 84.and→or
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