Do you have ______envelope 括号里天a还是an

Do you have ______envelope 括号里天a还是an Have you got _____one-yuan coin括号里填a 还是an Do you want()an ice cream?写出括号里正确的单词提示(have) How many ( ) do you have on monday括号里填classes 还是lessons还是cla Do you have (a) tennis racket?括号里的a去掉吗? 填空：You're dropped ( )"s" in the word "necessary"括号里填 a 还是 an Do you have _____answer to my question 填a还是an Do you have ( )orange A：a B：an c:some Have you ever had a (w )meal,such as an English meal?括号里填什么单 ()800-metter races 括号里填an还是a Do you have an e Do you have an clock?