[ 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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Grammar › ViewNot until I got on the bus _____ that my shirt was on inside out.
A. that I found
B. did I find
C. that I had found
D. had I found
Homophones › View
What did you do ______, while you waited?
A. Then
B. Than
You can confide _______ me if you have a personal problem you need to discuss.
A. for
B. in
C. on
D. at
General Knowledge › View
Vitamin that helps the immune system against colds
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D