【简答题】Dear sir or madam, Thank you for your letter of May 12th, i____ us that you are in the m____ for Chinese bicycles. To give you a general idea of goods we are dealing i_____, we are sending you by air...
【简答题】Study the uses of the conjunction "while" in th following sentences and put each into a category listed below. a. during the time that sth is happening b. at the same time as sth is happening c. as lo...