. In which sentence does a noun clause function as the subject?

Before the math competition, be sure to memorize whatever formulas you will need.
We practice after school in whichever rooms have the most board space for our work.
Whoever understands how to multiply and divide numbers by 10 can easily use the metric system.
Bring extra calculators for whoever forgets to bring theirs along.

Question

. 	In which sentence does a noun clause function as the subject?
 	
	Before the math competition, be sure to memorize whatever formulas you will need.
	We practice after school in whichever rooms have the most board space for our work.
	Whoever understands how to multiply and divide numbers by 10 can easily use the metric system.
	Bring extra calculators for whoever forgets to bring theirs along.

anonymous · Answer

d