When we ____ (heat) water to 100 degree Celsius, it ...

[ Grammar ]

When we ____ (heat) water to 100 degree Celsius, it ____ (boil)

A. heat/boil

B. heats/boil

C. heat/boils

D. heats/boils

Select your answer:
A B C D E

Other quiz:

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He………………………. when he wake up.

A. is hungry always

B. is always hungry

C. always is hungry

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The plane arrived on_____.

A. situation

B. routine

C. schedule

D. resident