[ Grammar ]
The phone rang while I (have) ……..breakfast.
A. was having
B. were having
C. was have
D. were have

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Grammar: SyntaxGrammar - Wh QuestionsConditional 0Passive Modals, Impersonal PassiveRelative & Interrogative PronounsConjunctions and CommasGerund and InfinitiveProgressive TenseModals Deduction: cant /mustBare Infinitive and To InfinitiveOther quiz:
TOEFL › View_____________a tornado spins in a counterclockwise direction in the northern hemisphere, it spins in the opposite direction in the southern hemisphere.
A. However
B. Because of
C. Although
D. That
Vocabulary › View
sudden and striking
A. specific
B. dramatic
C. absorb
D. opt
English Article › ViewMy brother studies at ___ university in England.
A. a
B. an
C. the
Grammar › View
My water bottle _______.
A. Is leaking
B. Leak
C. Has leak
D. Is leak
