The more you smile, the ________ you will feel.

_______ more and more people speak the global languages of English,Chinese, Spanish, and Arabic, other languages are rapidly disappearing.

ed at _____ several times thismorning, but nobody answered the door, wherewould she have gone

Tom, did Mr.Li join you in your dicussion? —— No, he＿＿＿＿, but he happened to have fallen ill

The tower clock was ________ eleven when I was walking towards home.