She lost her wallet ----- she came back from work.A.while b.

。when 再问： How soon will you come back? ____________ a。in ten minutes b。after two hour c。once a week d。for two days。 再答： a。in ten minutes再问： The students were ____ leaflets to everyone on the street。 A。giving up B。scooping out C。giving out D。coming out 再答： C。giving out再问： Looking at the children ___ in the park , the mother smiled。 A。played B。play C。to play D。playing 再答： D。playing再问： 确信吗 再答： 我是英语专业研究生