It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.
His father ________ a letter from him since he left without a word .
I was just about to leave ______the telephone rang.
— Why don’t you go into the office ,John —I have ______ my office keys at home.
The reason ______she didn’t come to school was_____ she had to look after her sick mother.
I smell something ______ in the kitchen. Can I call you back in a minute ?