注意：此页面搜索的是所有试题
题目内容
（中国石油大学-《大学英语4》）
)
I fell and hurt myself while I ______ basketball yesterday.
A)
was playing
B)
am playing
C)
play
D)
played
I fell and hurt myself while I ______ basketball yesterday.
A)
was playing
B)
am playing
C)
play
D)
played
参考答案
