[ Perfect Tenses of Verbs ]
By that time, the dance troupe had mastered the routine for their recital.
A. present perfect
B. past perfect
C. future perfect

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Academic VocabularyBe Going To vs. WillGrammar of Conjunctions and PrepotitionsSentence Structure and Verb TensesSo, Such, Many, MuchAuxiliaries VerbTenses - Present and PastPhrases and TensesMust / must notImperative SentencesOther quiz:
Grammar › ViewShh! They _____ _______at the moment.
A. was studied
B. were studying
C. are studying
D. is studying
Phrasal Verbs › View
Little Christopher _____ his father. He has black hair, big feet and a bad temper just like his dad.
A. looks after
B. grows up
C. brings up
D. takes after
Past Tenses › ViewShe was crying when I …………… her
A. was seeing
B. were seeing
C. see
D. saw
Conjunctions › View
______ in 1636, Harvard is one of the most famous universities in the United States.
A. Founding
B. Founded
C. It was founded
D. Being founded
