1. The government is trying to _________ people to use public buses instead of motorbike.

A. complain

B. provide

C. reduce

D. persuade

2. Watching TV all day is a bad habit _________ we get no physical exercise.

A. but

B. even though

C. because

D. so

3. Valentine's Day is celebrated _________ February 14th.

A. for

B. to

C. on

D. at