c. Fill in the right form of the verbs in the
following sentences.
1. The lioness ... (not roar) so loudly if the zoo
keeper hadn't separated it from its cub.
2. Bungee jumping wouldn't be so dangerous
if the wires ... (be) checked regularly.
3. Mary would have taken up mountain
climbing if she ... (not break) her arm last year.
4. I... (become) a surgeon if I had the chance
to choose again.
5. The president ... (visit) the new hospital if
the workers hadn't been on strike.​