So difficult __________ it to adapt to the academic requirements of a Western university that I determined to take a preparation course.
A.I have felt | B.have I felt | C.did I feel | D.I did feel |
推荐套卷
So difficult __________ it to adapt to the academic requirements of a Western university that I determined to take a preparation course.
A.I have felt | B.have I felt | C.did I feel | D.I did feel |