Fill in the blanks with the verbs in their proper forms(用所给动词的适当形式填空.词数不限): Fill
来源:网络
时间:
推荐文章

Fill in the blanks with the verbs in their proper forms(用所给动词的适当形式填空,词数不限):
When I saw Mary,she ______ (play) the piano.
试题答案
答案:was playing