[ 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 › ViewThe detective was fascinated by the ______ of the missing painting.
A. mercy
B. mystery
C. solution
D. prosperity
Homonyms › View
The gift was ___ in red shiny cellophane.
a. rapt
b. wrapped
Kwan 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
