[ TOEFL Adjective and Adverb ]
. . . . chief advantage of renewable energy sources is their sustainibilty
A. By the
B. The
C. It is the
D. That the
Select your answer:

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Grammar › ViewThe bus cannot move as there are _______ people still trying to get on it.
A. too much
B. too little
C. too many
D. not much
Verb Tenses and Past Participles › View
Rewrite the sentence ‘She is baking a cake’ in past tense.
A. She baked a cake
B. She bakes a cake
C. She baking a cake
D. She is baked a cake
