Что значат данные предложения: сделайте выбор меж a и b.1. If

Что значат данные предложения: сделайте выбор меж a и b.1. If it rains, we might stay at home.a. It might rain.b. It will rain.2. When you arrive at the airport, please call me.a. You are not expected.b. You are expected to arrive.3. When you see John, tell him I say hi.a. You will see John.b. You might not see John.4. They will be back soon if theres no traffic.a. There might be traffic.b. There will not be traffic.5. Frank will love this film if he sees it.a. Frank will see the film.b. Frank may see the film.