I ____ fifteen phone calls this morning.
A. has been making
B. have been making
C. have been made
D. have made

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Sentence StructureGerund vs InfinitivePresent Perfect: for/sinceVerbs + Infinitives / GerundsPossessive Nouns with Apostrophes and PronounsCorrelative Conjunction & Complex SentencesFuture Perfect vs Future ContinuousAdjectives Ed and IngGerunds, Infinitives and Modals of PossibilityComperative and SuperlativeOther quiz:
Mixed General Quiz › ViewThe escolas de samba parades in Rio are considered the greatest ___ show in the world.
a. choreographs
b. choreographing
c. choreographer
d. choreographic
Grammar › View
I ……. Crawled under a big bush
A. Have
B. Has
Modals › ViewYou ………………………….. exercise more if you want to be healthy.
A. should
B. shouldn’t
C. mustn’t
D. may not
Simple Past & Past Progressive › View
“You need to stay calm now. The plane is just hitting some turbulence.”
What is “turbulence” in this sentence?
A. violent and uneven movement within a particular area of air
B. the hard, solid substance found in the ground that is often used for building
C. a substance in a form like air that is neither solid nor liquid
D. the mixture of gases that surrounds the earth and that we breathe
