______seems to be no possibility that the student majoring in liberal-arts can win the first prize in the100-meter race.
--How long ________ as an assistant here? -- Ever since I finished middle school.
--Forgive me for hurting you by saying so. --________
They had ________ in keeping in touch with each other that they decided to move to the same city.
--Is this the office ________ your parents are working now? --No. They are working in the next one.
About seventy percent of the population in China _______ farmers.