Usually E-mail is______ than long-distance calling.
| Usually E-mail is______ than long-distance calling. |
| [ ] |
| A. more cheap B. more cheaper C. most cheap D. much cheaper |
可能相似的问题
你能帮帮他们吗
| Usually E-mail is______ than long-distance calling. |
| [ ] |
| A. more cheap B. more cheaper C. most cheap D. much cheaper |
你能帮帮他们吗