1)Umfortunately , I cannot meet him . I am going to visit my friend in the hospital .
2)I am sure ,my mum will forgive your mistake .
3)It seems that somebody is knocking to the door . Could you open the door ?
4)Be carefull ! You will fall !
5)I promise that I will give you the money as soon as can.
6)It seems that it will be raining. There are a lot of clouds in the sky.
7)Could yju help me to do the homework ?
8)They have all figure out. They are going to (go to) the sea he next week.
9)Their plane arrives at 4 PM.