[ Tenses ]
The air pollution ____ worse last winter due to increased emissions.
A. became
B. becomes
C. is becoming
D. will become

Random Topics:
Reported speech (statements)Order of AdjectivesComparisionConjunctivesPresent Perfect Simple vs ContinuousTo infinitive - GerundFuture Time and TensesIdentifying TensesRequest with Modal VerbsAdjective OrderOther quiz:
Grammar › ViewChristine has ______ terrible headache.
A. a
B. an
C. the
Articles › View
The Mount Everest is the highest mountain.
A. TRUE
B. FALSE
Grammar and Vocabulary › ViewThe teacher said we …… of our exam results the following week.
A. would be informed
B. will inform
C. will have informed
D. have been informed
Grammar › View
Which sentence is written correctly?
A. Mr. Tony, yelled “we are out of pizza!”
B. Mr. Tony yelled, “We are out of pizza.”
C. Mr. Tony yelled, “We are out of pizza!”
