By the time I...............25, I.................. at least three countries.

B. qualified

C. unqualified

D. qualification

A. interaction

B. interactive

C. interacting

D. interact

A. If Mike hadn’t been interested in improving his management skills, he wouldn’t become so successful now.

B. Unless Mike had been interested in improving his management skills, he wouldn’t become so successful now.

C. Mike was so interested in improving his management skills that he wouldn’t become so successful now.

D. If Mike weren’t interested in improving his management skills, he wouldn’t become so successful now.

A. Ways for learners to manage time effectively

B. Ways for students to improve their life

C. How to set up a schedule

D. How to be successful students

A. come around

B. set up

C. made out

D. put on

A. mistake

B. foul

C. downside

D. drawback

A. The better education you get, there will be more opportunities for you to get a good job.

B. The better education you get, the more opportunities there will be for you to get a good job.

C. The best education you get, the best opportunities you get a good job.

D. Better education means better jobs you will have.