Whycan’tthemanconcentr ateonhisstudy?
A.Hekeepsthinkingofgoingtothemovies.B.Hisclassmatesaretakingabreak.
C.He’sbeenstudyingfortoolong.
正确答案:C
Whycan’tthemanconcentr ateonhisstudy?
A.Hekeepsthinkingofgoingtothemovies.B.Hisclassmatesaretakingabreak.
C.He’sbeenstudyingfortoolong.
正确答案:C