现在完成时练习一.动 词 填 空:1._ you _(clean) the room? Yes, we _(do) that already. When _ you _(do) it? We _(do) it an hour ago.2._ he _(see) this film yet? Yes. When _ he _(see) it? He _ it last week. 3. How many times _you_(be) there? 4. I _ (read) the novel twice. Its interesting.5. She _(go) to Pairs, hasnt she? Yes. How _ she _(go) th