Write sentences using the affirmative or negative form of the past continuous. (Viết câu sử dụng dạng khẳng định hoặc phủ định của quá khứ tiếp diễn.) 1. Olga / have / her dinner 2. I / not study / for that important exam 3. Ed and Tom / wait / outside the cinema 4. Mustafa / write /an email 5. my parents / not watch / that new TV series 6. you / not answer / your mobile phone 7. I / chat/ on social media 8. they / not bake / a cake