单项选择题
A. Because she was suffering from a stomachache. B. Because she was suffering from a toothache. C. Because she was suffering from backache. D. Because she was suffering from insomnia.
A. air crash B. traffic accident C. lorry crash D. ferry accident
A. it increases the danger of war B. it provides services to both the good and the malicious C. it makes distant communication easier D. it breaks up the multi-generational household