Does ______  matter if he can’t arrive here on time? 

—Don't be angry with your kid when he makes a mistake again, will you?—No, I won 't.  I know  that     of us  are perfect after all.

Your smile is one of the strongest tools that make ______ possible for you to meet new people. 

To know more about the British Museum, you can use the Internet to go to the library, or _______.

-- Who broke the glass?-- I suppose _____ must be one of the children.