II. If …..
2.Lan doesn’t study hard next semester so she will fail the exam
If……………………………………………………………………………
3. The plane can’t take off because the fog is thick
-> If …………………………………………………………………
4. I can go on a picnic because I am free today
-> If …………………………………………………………………………..
5. Today isn’t Sunday so I have to go to school
->If ………………………………………………………………
7. Hurry up or we will be late for school
-> Unless ………………………………………………………………………………………..
If we .........................................................................................................................................
8. My mother is unhappy because I am lazy
-> If ………………………………………………………………………….
9. The weather was fine so we had a wonderful holiday
-> If …………………………………………………………………………………….
11. Because he is sick, he can’t go to school
-> If …………………………………………………………………………………
12. If he doesn’t have a map, he will get lost
-> Unless ……………………………………………………………………………………….
13. If Hoa didn’t get up late, she could go to the party
-> Unless …………………………………………………………………………………….