[ Grammar ]
I………………… this secret for a week now.
A. will know
B. have been known
C. had known
D. have known

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Grammar › ViewDeath Valley in California is one of the ___ place on earth.
A. hot
B. hotter
C. hottest
Prepositions › View
Which word is NOT a preposition?
A. Inside
B. To
C. Student
D. Down
Grammar › ViewYou … about everything.
A. are always complaining
B. complain always
C. are complaining always
Grammar › View
Which sentence uses the correct comparative form?
A. This book is larger than that book.
B. This movie is gooder than the other one.
C. I am more tall than my friend.
D. The iPad is expensiver than the iPhone.
