[ Present Tenses ]
You look tired, obviously you ___ (work) all day.
A. work
B. are working
C. have worked
D. have been working
Select your answer:
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Conditional Sentences and AdverbsRelative Clauses and UsageVerbals and GerundsPassive of Modal VerbsConjunctions and CommasPast Continues TenseGrammar: Have toModals of Speculation and DeductionAdjective + to + VerbOther quiz:
Vocabulary › ViewWhich sentence does NOT use “innovative” correctly?
A. He received a famous prize for his innovative scientific theories.
B. Our company will have to be innovative in order to compete in this ever-changing world.
C. Her ideas are so innovative. Everything she suggests has already been done a million times.
D. I appreciate your innovative ideas. Now let’s decide which new project we should do first.
Vocabulary › View
(Slide) An isometry that maps all points of a figure the same distance in the same direction.
A. Transformation
B. Translation
C. Transmission
D. Transformer