D. Use the clues to make the first conditional sentences.
1.You should work hard, or you won’t pass the exam.
→……………………………………………………………………………
2.Harry fails his examination. His parents will be sad.
→………………………………………………………………………………
3.Sue shouldn’t go out this weekend, or she won’t have time to study.
→………………………………………………………………………………
4. think it’ll snow tomorrow. I will go skiing.
→………………………………………………………………………………………
5.Engineers must get enough sleep or they will make a series of mistakes. →………………………………………………………………………………………
6.Be careful or you may fall off your horse. →………………………………………………………………………………………
7. More people will cycle every day. There will be less air pollution. →……………………………………………………………………………………………………………………
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