[ Modal Verbs ]
We ______ protect the environment if we continue treating the earth this way.
A. are permitted to
B. are not allowed to
C. are unlikely to
D. are required to

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Relative Clauses and Usageanother/the others/each other/one anotherGrammar - must & have toAuxiliary VerbsVerb Forms and PrepositionsMixed Present TensesIdentify The TensesGerundOn, At, ByTypes of Sentence StructuresOther quiz:
Grammar and Vocabulary › Viewextra things an employee gets from a company as well as a salary
A. made redundant
B. perks
C. a pay rise
Grammar › View
Find the subject and verb in this sentence:
Your friend is older than you.
A. your, older
B. friend, is
C. friend, older
Grammar › ViewHe……..my friend.
He……. Rifqy.
A. is-are
B. is-is
C. are-are
D. are-is
Tenses › View
The next morning, I realised that someone ___________________ my new bike.
A. stolen
B. has stolen
C. have stolen
D. had stolen