用适当的形式填空 今天写出来谢谢

用适当的形式填空 今天写出来谢谢
view ,bend ,flow ,transport ,forecast ,pace
1.Picking up something heavy,you should______you knees.
A_______in the river makes the water slow its speed.
2.Ilove this house with its wonderful____across this valley.
It is too late to______this house today.Let's go tomorrow.
3.The Mekong River______into the South China Sea.
Many people like to see the________of ice near the Antarctic.
4.you can______goods to other countries by sea or by air.
The quickest method of______in London is by Underground.
5.It is difficult to be correct when you ______the future.
The weather_____is not always accurate either.
6.The tortoise moves at a very slow_______.
If you_______yourself,you will be able to work efficiently.