【单选题】Identify the one error in each of the following sentences. 2. Thank you for your letter of Septeber 2. We are obliged to Jones Co. for having been recomended us to you.
【简答题】阅读理解 Hi, Tim: Thank you for your invitation to visit your school next week, I am sorry I can't come. I'm not free next week. On Monday, I am having a piano lesson from 8:00 to 10:00 in the morning, an...