1. Taking part in team sports benefits children’s development in many different ways.
A. play B. attend C. join D. participate
2. Today, teenagers depend on technology more than in the past.
A. base on B. rely on C. use D. have
3. It is not a good idea to spend too much time on social networking sites.
A. Spending too much time on social networking sites is not too bad.
B. It is advisable not to spend less time on social networking sites.
C. It is better to avoid spending less time on social networking sites.
D. It is better to avoid spending too much time on social networking sites.
4. Surfing the Internet all day is harmful.
A. It is harmful to surfing the Internet all day.
.B. It is harmful surfing the Internet all day.
C.It was harmful to surf the Internet all day.
D, It will be harmful to surf the Internet all day.