The number of people _______ by bus was highest, at 3000 in 1999
A. commute
B. commuted
C. commuting

Random Topics:
Simple vs Present Continuous TensesAdverb & Compound SentencesTo Infinitive or GerundPresent Perfect Simple & Present Perfect ContinuousFrequencyEssential and Nonessential ClausesGrammar PhrasesPrepositions of TimeTime and CalendarCompound SentencesOther quiz:
Vocabulary › ViewWhat is the meaning of concord?
A. Conflict or disagreement.
B. A type of musical composition.
C. A legal term for a contract.
D. Agreement or harmony.
Vocabulary › View
Pollution can have serious effects_________ the balance of ecosystem.
A. in
B. on
C. to
D. for
Gerund and Infinitive › View“Did anyone help you with your homework?”
“No. I managed….it by myself.
A. to do
B. doing
C. to doing
D. do
Subordinate Conjunctions › View
Explain the role of a dependent clause in a sentence.
A. A dependent clause is always a complete sentence.
B. A dependent clause adds extra information to the main sentence.
C. A dependent clause contains the most important information.
D. A dependent clause is used to connect two complete sentences
