单项选择题
KINDLY ADVISE US OF THE STEAMERS THAT CALL（）YOUR PORT EVERY MONTH.
A．AT B．ON C．IN D．FOR
单项选择题 （）YOU FULFILL THE TERMS OF THE L/C,WE WILL ACCEPT THE DRAFTS DRAWN UNDER THIS CREDIT.
单项选择题 WE REGRET HAVING TO REMIND YOU THAT 30% OF THE FREIGHT IS STILL（）.
单项选择题 WITH COMPUTER USERS LINKED TO THE INTERNET GROWING（）EVERY YEAR,BUSINESS IS TRYING TO CASH IN ON THEWORLDWIDE NETWORK.
