The population of the earth ____________ dramatically over the years, and this is causing many problems for our planet.
A. is growing
B. grew
C. has grew
D. has been growing

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Verb Tenses › ViewIdentify the verb tense in the sentence: ‘We were playing soccer.’
A. Future Continuous
B. Present Perfect
C. Past Continuous
D. Past Perfect
Conjunctions › View
Which coordinating conjunction(s) could you use to combine the two sentences below:
Janet and Charlie could trick-or-treat, _____ they could hand out candy.
A. so
B. or
C. yet
D. and
Vocabulary › ViewA single number or variable, or numbers and variables multiplied together; separated by addition or subtraction
A. Term
B. Algebraic Expression
C. Coefficient
D. Constant
E. Distributive Property
Grammar › View
My friend Dandan might______(pay) for my lunch tomorrow.
A. will pay
B. to pay
C. pay
