过去式与现在完成时练习 1. We ____________ (enjoy) ourselves very much last week. 2. When __________ he __________ (open) the window? He opened it two hours ago. 3. He didn’t come home early. He __________ (come) home late. 4. She ____________ (buy) a box of chalk yesterday. 5. When ____...

时间:2024-12-12 18:25栏目:行业资料