1. It’s a pity your friend isn’t at this party. I wish ......................................................................................................................................................... 2. Minh last wrote to his pen pal five months ago. Minh hasn’t ................................................................................................................................................ 3. They usually wore jeans when they were young. They used .................................................................................................................................................. 4. The teenagers aren’t buying that model these days. That model ................................................................................................................................................. 5. The last time we visited Kuala Lumpur was two years ago. It’s .............................................................................................................................................................. 6. She last wore that dress at her sister’s wedding She hasn’t …………………………………………………………………… 7. Jack London didn’t write the novel “The Adventures of Tom Sawyer” .The novel …………………………………………………………………… 8. Computers are used to design new models. People ……………………………………………………………………….. 9. It isn’t necessary for students to wear uniforms today. Students ……………………………………………………………………...