译英文：1.他们曾经去过巴黎,巴黎是我去过最漂亮的城市.2.在Tom上楼梯的时候,他掉了一些硬币,

1.他们曾经去过巴黎,巴黎是我去过最漂亮的城市.
They have been to Paris,Paris is the most beautiful I have ever been to
2.在Tom上楼梯的时候,他掉了一些硬币,并滑倒了.
When Tom was going up the stairs,he dropped some coins and then feel down
3.At the moment ,she was having _(have) supper .But she often has_(have) supper at 7:00clock.
4.The bex is very heavy,Mary can't carry it (改同义句）
The box is too heavy for Mary to carry
5.We spend 3 days in (介词) the country .
6.There is a picture on the suitcase with_(介词) the name and address_on(介词)it.
有不会的可以再问我