(2013·北京高考)________ the course very diff
题型:选择题
问题:
(2013·北京高考)________ the course very difficult, she decided to move to a lower level.
A.Find
B.Finding
C.To find
D.Found
(2013·北京高考)________ the course very difficult, she decided to move to a lower level.
A.Find
B.Finding
C.To find
D.Found