---____do your parents think ____the pet dog?---They think it’s cute.A.What,of B.How,of C.What,about
It ______ Mr. Smith half an hour _____ get to his office.
Mary, ______ girl, wants to be a doctor.
Our teacher always helps us ______ our English.
--- _____ do you ______the book? --- It’s very interesting.
Trees are animals’ homes, so we shouldn’t ________.