29.---- Can I speak to Mr. Brown, please? ---- Sorry, there’s ______ here.
110. You are my acquaintance? It’s _____ that I never met you _______.
101. This is____ ! You can’t be too careful enough of tomorrow’s meeting.
11. How time flies! You should make _____ use of your time.
28. The stream in front of our village will dry_____ when early autumn comes around.
27. _____ the teacher came in, everyone was quiet.