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Grammar › ViewAnd in that way it has been proved that the radioactive elements are constantly ______ and that they produce at the end ordinary elements, principally helium and lead.
A. disintegrating
B. to disintegrate
C. being disintegrating
D. disintegrated
Phrasal Verbs › View
Why don’t you come ______ to my place this evening?
A. up
B. out
C. down
D. round