[ Grammar ]
Buses ………… go to the airport run every half hour.
A. who
B. whose
C. that
D. whom

Random Topics:
Indefinite and Intensive NounElectricity VocabularyTenses UsagePronounComparative Adjectives and AdverbsPrepositions - ConjunctionsAdverb of Frequency and TensesPresent Perfect and Past TensesAdverbial Concession ClausesTenses and QuestionsOther quiz:
Vocabulary › ViewWhat word describes something that is “changing frequently”?
A. Enterprise
B. Essential
C. Fluctuating
D. Function
Present and Past Tenses › View
It started to snow while we … to school.
A. had walked
B. have walked
C. have been walking
D. were walking
English Morphosyntax › ViewKwan likes to read maps, ____________ Angelo doesn’t.
A. either
B. but
Grammar and Vocabulary › View
. We need to _____a solution to the problem of plastic waste in our oceans.
A. find
B. make
C. see
