Interacting with friends through the internet is fun.

Interacting with friends through the internet is fun.
A. It’s fun to interact with friends through the internet.
B. Interacting with friends through the internet is boring.
C. To interact with friends through the internet no fun.
D. There is fun interacting with friends through the internet.

Đáp án: A
Giải thích: cấu trúc “it’s + adj + to V”
Dịch: Tương tác với bạn bè qua mạng thì rất thú vị.