Look at those boots . How much ____they ?A.is B.am C.are
He was born ____________ March 10th. A. in B. on C. at
What ____________ he do? A. does B. do C. is
He is interested ____________ math. A. on B. in C. at
What's ____________ hobby? A. you B. he C. your
When ____________ your mother born? A. were B. was C. is