Which helping verb agrees with the subject and correctly completes the verb phrase?

Those garage doors __________ squeaking loudly.

A.
be

B.
was

C.
are

D.
is

Question

Which helping verb agrees with the subject and correctly completes the verb phrase? 

Those garage doors __________ squeaking loudly.
 
 A.
be
 
 B.
was
 
 C.
are
 
 D.
is

vianne · Answer

Welcome to OpenStudy @rosiemay3456 ! Do you know how to solve this question properly or would you like me to guide you through it?

anonymous · Answer

THE ANSWER IS C

anonymous · Answer

@jazzy288a no direct answers

vianne · Answer

... Well @jazzy288a got a free medal for giving a direct answer. Thanks for helping this fellow cheat on his test without guiding/letting him/her learn. ..