单项选择题 The documents you should provide are contract, IdC, invoice and B/L, L/C is the abbreviation for （）B/L is the abbreviation for （）

单项选择题 The seller should lodge any claim of this consignment against the sellers （）30 days（）arrival of the goods.

单项选择题 The quality of the goods we have received is not as good as the （）presented.