Choose the correct option

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Bài tập trắc nghiệm tiếng Anh 8 (Bấm sát SGK tiếng Anh 8 i-learn Smart World)

3. If you __________ harder, you __________.
A. don’t try / will fail
B. try / will fail
C. don’t try / won’t fail
D. try / don’t fail

4. If we __________ polluting the air, there __________ more diseases.
A. keep/will be
B. will keep/be
C. will keep/is
D. keep/is

5. It __________ the wildlife if we __________ the rivers and seas clean.
A. don’t affect / keep
B. affects / won’t keep
C. won’t affect / keep
D. affects / keep

6. We __________ to stop land pollution if we __________ too much plastic.
A. are able / use
B. will be able / use
C. will be able / don’t use
D. won’t be able / don’t use

7. If there __________ too much trash on beaches, fewer people __________ to visit them.
A. will be/will want
B. is/will want
C. be/will want
D. are/will want

8. She __________ a headache unless she __________ a rest.
A. has / won’t have
B. won’t have / has
C. will have / has
D. will have / doesn’t have

9. You __________ an accident unless you __________ careful.
A. will have / aren’t
B. have / will be
C. won’t have / won’t be
D. won’t have / aren’t

10. He __________ quickly if he __________ regularly according to the doctor’s instructions.
A. will recover / practices
B. recovers / practices
C. will recover / will practice
D. will recover / doesn’t practice