[ Tenses ]
The earth ________ on the sun for its heat and light.
A. is depended
B. depends
C. is depending
D. has depended
Select your answer:

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Grammar › ViewDon’t open your book.
A. affirmative
B. negative
Grammar › View
Choose the correct verbs to complete the sentence.
How many English classes ____ before you ____ this one?
_______
A. had you taken / had taken
B. did you take / had taken
C. had you taken / took
