How long do children usually stay at university in the man's country?
[ A]Three or five years.
[B] Three or four years.
[ C]Three to four years.
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The person who finally proved Fermat'S Last Theorem is____.
[ A] Simon Sigh
[B]Andrew Wiles
[ C] Pierre de Fermat
[D]a French woman scientist
The female ostrich identifies her own eggs by their size and _________ .
[A] color
[B] number
[C] shape
[D] weight
What did Hill suggest that Sally should do?
[ A] Talk to the milkman's wife.
[B] Write a letter to the milkman.
[ C] Write to apologize to her boss.