[ Vocabulary ]
What are atoms of the same element that have different numbers of neutrons?
A. aluminium
B. radioactive dating
C. isotope
D. hydrogen
Select your answer:
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Grammar › ViewIf I……..well in my exams, I ……..to university.
A. will do; will go
B. will do; go
C. do; will go
Modals › View
______ I ask a question? Yes, of course.
A. May
B. Must
C. Should
D. Will