Đặt câu hỏi cho phần in đậm. 21,Tam phones his uncle twice a month. 22,My uncle and I go to the tennis club once a week. 23,Lien's brother is practicing the guitar now. 24,I'll pick you up at 6 tomorrow morning. 25,Our parents will stay in Hanoi for a week. 26,It's about 1700 kilometers from Hanoi to Hochiminh city. 27,She is 4 feet 5 inches and weighs 95 pounds. 28,If you don't clean your teeth very often,you will have a toothache. 29,The buses to the city center run every fifteen minutes. 30,Trung usually borrow his brother's motorbike.