问题详情:
His English ________ a lot since he took the course.
A. improved B. was improved improved D. has been improved
【回答】
C
知识点:动词时态
题型:选择题
问题详情:
His English ________ a lot since he took the course.
A. improved B. was improved improved D. has been improved
【回答】
C
知识点:动词时态
题型:选择题