别人帮了你之后,你应该说:
Which is the ___________ shirt ? The blue one .A. cheap B. cheaper C. cheapest
My aunt bought a _______ of chips for me .A. roll B. small C. fast
Yesterday my grandma ________ many food for me .A. cook B. cooked C. cooks
_________ does Jenny usually get to your house ? About once a month .A. What B. How often C. How
How _______ your aunt usually go to work ?A. is B. does C. did