144  省略介词

1. 数-

1)man and dog passed in to the sunset.

2)he was pilot, printer, editor.

查仿3)Viggo Mortensen is a Danish-American actor, author, photographer, poet, and painter.  ; a man and woman; the husband and son. 

2. personal names

1) take a walk with gather. Mother is spending the evening here. 

3. official positions 

1) you are manager of a bank. he was chairman of a company. 

理所当然：

1）meals: at lunch, at tea

2)tiles or professions: King George, Mr White  exception: the Emperor Napoleon 

3) idiomatic phrases: a. pre+N in bed; in fact; b. V+N catch fire; go to school 

143使用

理所当然：

1) the united states 2) the Pacific 3) the Sahara  exception: Oxford University, Central Park

4) ship: the Victory