[ Modals and Responsibilities ]
I ___ call my parents tonight.
A. must
B. need to
C. have to
D. responsible for

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Past ParticiplePresent Simple & Present Continuous TensesPresent & Past TensesGrammar : can, could and be able toPast Tense (Regular and Irregular)Passive Modals in Different TensesGerunds + To InfinitiveComparison Degree & GerundsPast Tense and Past ContinuousRelative Clauses and UsageOther quiz:
Third Conditional › ViewWhich of the following sentences is an example of the third conditional?
A. If I were rich, I would buy a big house.
B. If I had studied harder, I would have passed the exam.
C. If it rains, we will stay at home.
D. If you invite me, I will come.
Grammar › View
The man sitting next to me on the plane was very nervous. He…………………………before.
A. didn’t fly
B. hadn’t flown
C. hasn’t flown
D. wasn’t flying
