The force of attraction between any 2 objects with mass; the strentgh of attractionis porportional to the distance between them.
A. Inertia
B. Gravitation
C. Fusion
D. Magnetic attraction

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Past simple vs Present perfectDistinguishing Future TensesTOEICFuture Perfect vs Future ContinuousMay, MightAdverbA/AnHope, Thank, Modal VerbsModals Posibility and ProbabilityAdverb of TimeOther quiz:
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A. Yes,he is
B. Yes, she is.
C. Yes, he.
D. Yes, she is a doctor.
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It …. 2 years to re-build the windmill according to Napoleon.
A. takes
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This sentence illustrates the following comma rule:
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go swimming / sometimes / on sundays / I
A. I go swimming on sundays sometimes
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