Do you have any difficulty ________ their oral English?
A.to understand
B.understanding
C.understood
D.understand
对258人提供帮助
该考查固定句型的用法。have difficulty(in)doing sth.“做某事有困难”。
Do you have any difficulty ________ their oral English?
A.to understand
B.understanding
C.understood
D.understand
对258人提供帮助
该考查固定句型的用法。have difficulty(in)doing sth.“做某事有困难”。