问题

One of the most important problems we willhave to solve is ____of students’ learning method

A:when
B:where
C:which
D:that

正确答案是：

同类题型

_______ my success to my family’s support.

When I got into the classroom, I found abook ______ on the floor.

They each other for 5 years

The city _____we live and study is developing very fast. [ ]

Where is the library, Jane—_______________