[ 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:
Present Tenses › ViewWe __________ (not travel) by train very often.
A. dont’t travel
B. aren’t traveling
C. have traveled
D. have been travelling
Lets vs. Let’s › View
A friend of mine … them borrow her clothes.
(a) lets
(b) let’s
You _______ 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