A. Internet B. effectively C. Moscow D. evil A. possibility B. get out C. polar D. retired A. there B. advanced C. for a while D. quiz A. ups and downs B. very much C. digest D. oh A. thumb B. countryside C. come out D. servant A. in return B. within C. consult D. at weekends A. sadness B. go away C. give a helping hand D. grandparent A. no way B. tennis C. random D. always A. concoction B. begin with C. play with D. daily life A. chat B. bookstore C. ecosystem D. his