If a pair of sentences has the same meaning, write (S). If they have different meanings, write (D). 1. a I'll send you a text if Petra arrives. b I'll send you a text when Petra arrives. 2. a If a snail is in danger, it hides in its shell. b When a

a If a pair of sentences has the same meaning, write (S). If they have different meanings, write (D).

1 a I'll send you a text if Petra arrives.
b I'll send you a text when Petra arrives.
2 a If a snail is in danger, it hides in its shell.
b When a snail is in danger, it hides in its shell.
3 a The animals won't come out if we don't stay quiet.
b The animals won't come out unless we stay quiet.
4 a If you need some money, l'll lend you some.
b When you need some money, l'll lend you some.
5 a If you see a bear in the forest, don't run!
b When you see a bear in the forest, don't run!
6 a Lizards don't bite unless they feel scared.
b Lizards don't bite if they feel scared.