[ Relative Clauses ]
The teacher _____ we respect is retiring.
A. whom
B. who
C. whose
D. that

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used to, be used to, get used toLinking VerbsCoordinating ConjunctionsPresent Tense vs Present ContinuousAdverbs (manners & modifiers)Verb FormsPast Simple vs Present SimpleRelative Clauses & Real ConditionalsCardiology ServicesArticles with Proper NounsOther quiz:
Vocabulary › Viewprivate words that a character in a play speaks to the audience or to another character, which are not supposed to be overheard by others onstage
A. tone
B. aside
C. connotation
D. refrain
Determiners › View
Last week my parents visited ___________ shops
A. any
B. no
C. several
General Knowledge › ViewWhat gas do we need to breathe to stay alive?
A. Nitrogen
B. Carbon Dioxide
C. Oxygen
D. Argon
E. Sulphur dioxide
Present Tense › View
I ______ for you since two o’clock.
A. have waited
B. am waiting
C. wait
D. have been waiting
