[ Grammar ]
Tet is a Vietnamese festival ________ occurs in late January or early February.
A. what
B. whom
C. which
D. when

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On, At, ByModal SpeculationGerund/ To Verb/ VerbGrammar, adverbs of frequency placementQuantifiers and AdjectivesContinuous TensesSimple Present and Present ContinuousPerfect and Past TensePast Tense & Present Perfect TenseSo, Such, Many, MuchOther quiz:
Grammar › ViewThey have to _________________ the plants.
A. water
B. waters
C. watered
D. are watering
Adverbial Clause › View
_____ it was raining, we decided to go hiking.
A. Even though
B. Since
C. If
D. So that
Grammar › ViewI really can’t ______ used to having a new baby brother.
A. be
B. get
Homonyms › View
He kissed her good ___ at the airport as she left for her trip.
a. buy
b. by
c. bye
