( )4. Whose ruler is longer, _____?
A. yours or his B. your or his C. yours or her
( )5. –What do your parents do after supper?
--They take our dog _____a walk.
A. go B. of C.for
( ) 6.--_____ Is your father40 years old?
--Yes, he _____.
A. Is, does B. Are is C. Is, is