заполните пропускт,употребив глагол to be в правильной формет
a)John_a student.
b)It_cold today
c)Cars_expensive
d)I_happy
e)Mary and Jane_from Canada

isisareamareThat's very easy: John = singular noun, third person (is), "It" is a singular pronoun, third person ("is"), "Cars" is a plural noun (are), I is a first person singular pronoun (am), Mary + Jane is a coordination (plural), so we use "are".