[ Grammar ]
Sam ___ tennis for two hours.
A. Have been playing
B. Has been playing
C. Have been played

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Verb Patterns / IngConditionals / Unreal PastFuture Tense VocabularyAuxiliary Verbs, if, unless and ModalModal, Causative Verb & Elliptical StructureModal Verbs in ConditionalsArticlePast Perfect Simple & ContinuousConditional SentenceVerb Tenses and UsageOther quiz:
Modals › ViewIt’s snowing in England. It must be very cold there.
A. permission
B. advice
C. internal obligation
D. logical deduction
Reported Speech › View
She said “I’m sorry I didn’t reply to the letter.”
A. She apologized for didn’t reply to the letter.
B. She apologized for not replying to the letter.
C. She apologized for not to reply to the letter.
D. She apologized for not to replying to the letter.
Articles › ViewThis is … Honor to join with your party
A. a
B. an
Positive and Negative Connotations › View
Choose the word with the most positive connotation to complete the sentence.
I enjoy finding ways to make the most of my budget by being (frugal, miserly, cheap).
A. frugal
B. miserly
C. cheap