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
The new supermarket has announced that the first to purchase goods on the opening day ________ get a big prize.
A. must B. shall
C. would D. could
