Q27:
Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and, if it strikes Earth, it can do tremendous damage to part of the planet but probably not cause planetwide destruction.
- and, if it strikes Earth, it can do tremendous damage to part of the planet but
- and, if it would strike Earth, part of the planet could experience a tremendous amount of damage but it would
- and that, if it were to strike Earth, could do tremendous damage to part of the planet but would
- and that, if Earth is struck by it, can do part of the planet tremendous damage, but it would
- and that, if it strikes Earth, it could experience a tremendous amount of damage but
答案是C
但是be to不是在GMAT里禁用吗？
为什么不选择E？
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