Choose the correct item
1) you( shouldn't/couldn't) tell anyone your real name online.
2) you (don't have to/shouldn't ) be an expert to scuba dive
3) Suzy ( was able to/had to) take lessons before she went diving.
4) you (might/should) chek the weather before you go.
5) you ( don't have to/mustn't) swim alone.
6) some jellyfish stings (must/can) kill you
7) Tim( was able to/ could) win the race in the end.
8) you (must/ may) look out for warning signs.
9) Dan (had to/could) play the piano when he was six.