用括号内所给动词的适当形式填空【小题1】Xiao Li promised to chat with me on the Internet, but so far he __________ (not do) so.【小题2】At the moment we have too much to do _____
-Excuse me, could you please tell me where I can mail a letter? -Sure, there is a ______ next to a hospital. A. post office B. department store C. amusement park D. r