（题文）（2018·江苏）Hopefully in 2025 we will no longer be e-mailing each other, for we _______ more convenient electronic communication tools by then.
A. have developed B. had developed
C. will have developed D. developed
The machine might break down someday in the future, ____, you can dial this number for help.
A. in that case B. in what case
C. in which case D. in whose case
It’s reported that in many countries there are rescue centers for girls who are forced into early marriages, and boys who to look after farm animals.
A. drop in B. drop away C. drop off D. drop out
The government must balance our liberty the security of the nation.
A. for B. to C. against D. in
With the word PM 2.5 ________ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.
A. immediately B. consequently
C. permanently D. constantly
Despite the fact that all three teams different approaches to the problem, they were all immediate successes.
A. adapted B. adopted C. acquired D. approved
