1.Fill in:excuse,sorry,pardon.
1)........me,but are you Mr O'Brien ?
2)Oh,I'm..............John.I didn't mean to stand on your foot
3)"The music's so loud in here,isn't it ?"
"...................me?I can't hear what you're saying".
2.
Fill in:must(n't),should(n't),need(n't),can('t).
1)You.................enter this area.It's forbidden.
2)It's too sunny.I........put on my sunglasses.
3)I think the government.............do more to help the poor.
4)this is a secret.You.............tell anyone
5)We've got plenty of time.We.........hurry
6)You........touch these wires.It's dangerous
7)Everything's fine .You......worry
8)You..........eat so many sweets.They're bad  for  you
9)This  skirt  isn't  dirty.You......wash it
10)We............play tennis here.It's for members only.

1.1) Excuse me, but are you Mr O'Brien ?   2) Oh, I'm sorry, John.I didn't mean to stand on your foot   3)"The music's so loud in here,isn't it ?"   "Pardon me?  I can't hear what you're saying".2.Fill in:must(n't),should(n't),need(n't),can('t).1) You mustn't enter this area.It's forbidden.2) It's too sunny. I needn't put on my sunglasses.3)  I think the government  should do more to help the poor.4)  This is a secret.You can't tell anyone5)  We've got plenty of time.We needn't hurry6)  You mustn't touch these wires.It's dangerous7)  Everything's fine .You shouldn't worry8)  You  shouldn't eat so many sweets.They're bad for you9)  This skirt isn't dirty.You needn't wash it.10)  We can't play tennis here. It's for members only