--______is it from here to the Capital Airport? --Nearly sixty kilometers.

—Please drive ______ when you pass a school.—OK.

---Does Liu Hua ever guess the meaning of English words?,---He ______ guesses the meaning, of new words. He uses his dictionary all the time.  

Of the three girls, Mary sang             

— _________ has Liu Xiang taken part in world’s competitions of 110-metre hurdles?— I’ve no idea. Let’s find it out on the Internet.