问题
选择题
Cathy is taking notes of the grammatical rules in class at Sunshine School, where she __________ English for a year.
A.studies
B.studied
C.is studying
D.has been studying
答案
. D。
根据句中的现在进行时可排除B,再根据句中的for a year可知此题选现在完成进行时最佳,即选D。