[ Grammar ]
Currently, I……… a research into air pollution in our town.
A. does
B. do
C. did
D. am doing

Random Topics:
Past Simple VS Used toPresent Continous TenseCountable and Uncountablemust/shouldClauses and ConjunctionPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousAdverb Clause ConnectorQuantifiers & Modals of ObligationThird Grade ExamPresent Simple ProgressiveOther quiz:
Adjective vs. Adverb › ViewHe thought for many years that he was a dog
A. Adjective
B. Adverb
Vocabulary › View
In winter, it was common for the men to wear trousers and ________.
A. targets
B. plaids
C. consistency
D. bare
Grammar and Structure › ViewHe —– Tim tommorrow.
A. is
B. meets
C. isn’t meeting
D. meet
Subject-Verb Agreement › View
Three-quarters of the student body __________ against the tuition hike.
A. Is
B. Are
