【2013山东菏泽】The World Health Organization has given some advice on ______to protect us from being infected(感染) with H7N9.
Whynotthinkabout______toGreece?
Whois___________studentinourclass?
Idon’tlikemilk,butmotherwantsme______.
Here_____theresultsofthestudentactivity surveyatGreenHighSchool.
You _______ seeadentistwhenyouhaveatoothache.