—We can’t be successful ________ we keep working hard.
—I agree with you.
A. if B. unless C. because D. when
— have you been married?
—For twenty years.
A. How far B. How often C. How long D. How soon
—What can you give me on learning English?
—I think you could join an English club.
A. advice B. news C. messages D. information
After the Asian Games, ________ people came to Guangzhou for a visit during holidays.
A. thousand B. thousands C. thousand of D. thousands of
Students shouldn’t go to school ________ breakfast. It’s bad for their health.
A. with B. without C. for D. by
My family has two dogs. One is white, ________ is black.
A. other B. another C. the other D. others
