4. He is , but he doesn't feel . Because he likes to surf the Internet for his study of English.
A. lonely; alone
B. alone; lonely
C. alone; alone
D. lonely; lonely
网友回答
A. lonely; alone
(答案→)B. alone; lonely
C. alone; alone
D. lonely; lonely
解析：可联系答.案.网客服索取。