——Can I pay the bill by check? ——Sorry, sir. But it is the management rule of our hotel that payment ____ be made in cash.
Mary, come here at 7; if not , we shall go to the park ______ you.
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.