[ Vocabulary and Grammar ]
We must not __________ the river by dumping dirty dishwater into it.
A. polluted
B. pollute
C. pollutes
D. polluting

Random Topics:
Simple Past Tense (was/were)Progressive TensePoetryPresent Perfect and Past SimplePast and Present TensesCoordinating Conjunctions and Comparative AdjectivesConjunctions, Interjections and Sentence TypePresent TensesAdjective or AdverbPast Simple - Present PerfectOther quiz:
Conjunctive Adverbs › ViewRoberta didn’t have all the ingredients to bake a cake; ________________, she decided to prepare something else.
A. finally
B. indeed
C. therefore
D. however
take, make, do › View
What is your opinion of the current situation, sir?
Could you ____________ a comment?
A. take
B. do
C. make
Idioms › ViewHe only likes doing jobs where he can make an easy profit.
a. a quick buck
b. a quote
c. a queen
Grammar › View
The final match will be held…….. India and Australia
A. Between
B. Among
