1) I (cleaned) it this morning.你的房间很干净.我今天早上打扫的.
2) He is (writing) an email.你爸爸在干什么?他在写邮件.
3) I (visited) my grandparents last weekend.我上周末去看我爷爷奶奶了.
供你参考,
1) I (cleaned) it this morning.你的房间很干净.我今天早上打扫的.
2) He is (writing) an email.你爸爸在干什么?他在写邮件.
3) I (visited) my grandparents last weekend.我上周末去看我爷爷奶奶了.
供你参考,