LÀM VÀ GIẢI THÍCH GIÚP MÌNH VỚI. 15. For years, tablets have enriched our lives at work and at home, allowing us to stay ____ an

LÀM VÀ GIẢI THÍCH GIÚP MÌNH VỚI. 15. For years, tablets have enriched our lives at work and at home, allowing us to stay ____ and access information with ease.
A. connecting ​B. connected ​C. connect ​D. connection
16. Viet Nam has abundant mineral water sources, ____ throughout the country.
A. be found ​B. finding ​C. find​D. found
17. Some private companies in China try to avoid employing women of child bearing ____ and sometimes sack them once they are going to have a baby.
A. years ​B. time ​C. old​D. age
18. The ____ mangrove forest is home to a variety of wildlife.
A. flooded ​B. flood​C. flooding ​D. floods
19. Saudi Arabia is the last country to allow women to vote, and this is a first step in the long ____ of the gender equality.
A. struggle ​B. way​C. distance​D. direction
20. In addition, Hawaii is home to some magnificent botanical gardens, opportunities for animal ____ education, and cultural engagement.
A. conservationist​B. conserve ​C. conservation​D. conservational
21. Computer games ____ encourage players to move up levels and earn high scores may help develop mathematical skills.
A. they ​B. those​C. which​D. whose
22. All forms of discrimination against all women and girls ____ immediately everywhere.
A. must be allowed​B. must be followed ​C. must be taken away​D. must be ended
23. A major issue for teachers ____ allow students to use their own devices is how to provide online access to such devices.
A. who ​B. those ​C. they​D. ones
24. A common reason that someone ____ more for similar work is because of his or her experience or “length of service”.
A. can be paid​B. must be paid ​C. may be paid​D. should not be paid
25. The examination papers ____ by machine. The students ____ of their results next week.
A. should be scored – are told ​B. will score – will be said
C. can be scored – can be told ​D. are scored – will be informed
26. In New York State, you can sleep green by staying at one of the hotels, committing to ____ practices.
A. environmentally friendly ​B. friendly environmentally
C. environment friendly​D. environmental friendly
27. When is that letter ____?
A. be sent​B. to sent ​C. going to be sent​D. going to s