This is______difficult problem that few students can work it out.
—Welcome to Beijing!—____A. Welcome to Beijing, too. B. Thank you. C. Fine, thank you.
This is my teacher, Miss Chen. ____ is from Hebei.A. She B. He C. Her
下列各组字母中含有相同读音的一组是 ____。A. H, A B. H, I C. L, Y
下列字母中一笔写成的是 ____。A. p B. t C. m
--I visited the Purple Mountain Observatory last Sunday.---__________ Why didn’t you tell me earlier?