( 天津卷13). My father warned me _______ going to the West Coast because it was crowed with tourists.
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 ?