Câu trả lời:
1. Nam is so fat because he eats so much chocolates.
_If Nam didn't eat so much chocolates, he wouldn't so fat.
2. We dont go on the trip because the weather is bad.
_ If the weather wasn't bad, we could go on the trip.
3. They don't go to the concert because they have an E test.
_ If they had an E test, they couldn't go to the concert.
4. He can't have the picnic because it is raining.
_ If it rained , he wouldn't have the picnic.
5. It rained yesterday, so we didn' t play soccer.
_ If it hadn't rained yesterday, we wouldn't have played soccer.
6. He ate a lot of chocolates, so he was very fat.
_ If he hadn't eaten a lot of chocolates, he wouldn't have been very fat.
7. They got up late, so they were late for work.
_ If they hadn't gotten up late, they wouldn't have been late for work.
8. Susan felf sick because she ate four cream cakes.
_ If Susan hadn't eaten four cream cakes, Susan wouldn't have felt sick
9. You can't visit Moscow unless you get a visa.
_ If you get a visa, you could visit Moscow.
10. He doesn't get any information because he doesn't phone immediately.
_ If he phoned immediately, he would get some information.