这些用英语怎么说?

Question

1.让我们下楼吧.
2.让我们上楼吧.
3.过马路,小心点儿.
4.穿上裤子/羊毛衫
5.别磨蹭,要迟到了．

Answer 1

1)Let's go downstairs.
2)Let's go upstairs.
3)Be careful when crossing the road.
4)Put on your trousers/sweater.
5)Hurry up or we'll be late.
前面的前面几个还马马乎乎，最后一个没有or一定是不行的，因为一个句子一个谓语动词，这里有两个，所以需要连词。留言探讨。

Answer 2

Let's go the downstairs
Let's go the upstairs
Cross the road,be careful
Put on the trousers/cardigan
Hurry up,it will be late

Answer 3

1、 Let's go downstairs.
2、 Let's go upstairs.
3、 Be careful when crossing the road.
4、 Put on your trousers/sweater.
5、 Hurry up or we'll be late.

Answer 4

Let's go downstairs
Let's go upstairs
Watch out when you cross the street
Put on your pants/sweater
Hurry up, we'll be late.