Level 7
3. Gerunds
7. Should and Ought To in the Active and Passive
9. Defining and Non-defining Relative Clauses
11. Connecting Contrasting Ideas
12. Energy
14. Dreams and Sleep
16. Quantifiers
18. If, Even if, Whether or not, Unless, In case, Only if
ACTIVITIES
(These
exercises were taken from different sites!
By the way, these sites are very good for you to
practice and review some grammar 'points'!)