----Fancy meeting you here, Lucy! I never thought you visit us today.----Sorry, I forgot to tell you I was coming. I hope you don't mind me____.
26. The professor was asked to write an article for the newspaper, ___________about the left-behind children in the countryside.
25. The watch, which I_________only last week, is out of order again.
24. ---Lily has won the math competition. ---No________she looks so happy.
23. If Catherine keeps practicing the violin in this way, she______to make a famous violinist.
22. ---Chatting online has become_________popular means of communication.. ---That’s true. It is especially popular with young.