The talented boy _________ write lyrics when he was at the age of ten. A. may B. could C. must
早上老师上课时,同学们应该说:________。
当你向别人打听某事时,你应该说:________。
找出都是三笔完成的一组字母:_______
下列字母________是元音字母,26个字母中第16个字母是________。
—Your pencil case is very nice. —________.