III. viết lại câu, sử dụng cấu trúc "It was not until.... that... " 11. I didn't get up until half past eight 12.He wasn't allowed to open her presents until her birthday. 13.We didn't have any holidays until last summer. 14.She didn't stop learning German until the age of 34. a 15.1 couldn't finish my project until Mark helped me.
