—Do you know anything about the players of our school basketball team?—Yes. They are _______ young boys between the age of thirteen and fifteen.

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

---Mr. Bill always makes his class very lively and interesting. --- You are right. No one teaches ____.

Alice explains things very well, what she says can be understood very ＿＿＿.

The football match was really fantastic, _________ when Smith scored in the last minute.