[ Grammar ]
Do you know what is the cause __________ pollution?
A. of
B. in
C. on
D. for
Random Topics:
Simple and Progressive Verb TensesPresent Simple and ContinuousModal PerfectModal Auxiliary VerbsInfinitives and GerundsMixed ConditionalsRelative Pronouns and AdverbsModal and Relative PhrasesModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityMixed GrammarOther quiz:
Appositive Phrase › ViewI just left the hotel after two nights, a very clean and comfortable place.
- a very clean and comfortable place
- the hotel
- I just left the hotel after two nights
- none
Modals of Obligation and Permission › View
You _____ hit your sister again! Do you understand?
A. mustn’t
B. don’t have to
C. can
Phrasal Verbs › ViewYou _______ clothes that you want to buy.
A. fill in
B. give back
C. switch on
D. try on
Pronouns, Verb, Conjunction › View
Fill in the blank with the correct conjunction: “She likes to read books ___ watch TV.”
A. and
B. but
C. because
D. if