单项选择题
If you had opened the letter of credit to reach us in July, we （） the goods now.
A.could have dispatched B.could dispatch C.dispatch D.can dispatch
单项选择题 We are sending you by separate airmail a copy of our （） catalog for your reference.
单项选择题 Please call your attention （） our newly developed bicycles which will surely have good sale in your market.
单项选择题 We thank you for your letter of 12 June, （） you have opened the covering L/C.
