He doesn’t know the city very well, because this is the first time he _______ here.

— I'm leaving tomorrow.— Oh, what a pity! I won't be able to see you off. I __ a tele-conference the whole morning.

With the rapid growth of population, the city______ in all directions in the past five years. 

(2013·高考浙江卷)When the group discussion is nearing its end，make sure to ________ it with important points.

 It seems water ______ from this tap for some time. We’ll have to take it apart to put it right.