[ Grammar ]
What is the verb tense in the sentence: “I have been reading this book for two hours.”
A. Present Perfect Continuous
B. Past Perfect Continuous
C. Future Perfect Continuous
D. Present Continuous

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A. At the beginning of a sentence
B. Directly before a noun
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To infinitive - Gerund › View
You should spend time _______ your life more.
A. to enjoy
B. enjoying
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A. for
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General Knowledge › View
Vitamin that helps the immune system against colds
A. Vitamin A
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D. Vitamin D
