Rewrite the sentences using the modals in the list  might  could  mustn’t  was able to  must  can’t
1 You’re obliged to wear a safety helmet at all times.
2 Is it OK for me to use your phone? It’s an emergency.
3 It’s against the law to park your car here.
4 Greg managed to sleep once the storm had passed.
5 It’s possible there’ll be a power cut because of the storm.
6 She’s been skydiving so I’m sure she isn’t scared of heights!

i'm pretty sure i had this question the other day and b was the right answer.

the narrator is saying that the old lady made her feel uncomfortable. you know this because they say "i found that rather irksome", "perhaps it was her being so upright and trim", and "i don't think it was that, because i thought that quaintly pleasant." hope this !

. a function is a relation in which each input has only one output. in the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2.

d would be your anwser i belive, hope this .