3. Put questions for the underlined parts in the following sentences, using question words in brackets. 1. Nam usually goes to school by bus. Sometimes, he rides his bicycle. (How), từ gạch chân: by bus ________________________________________________________________ 2. My grandfather used to go fishing in the West Lake every afternoon. (What), từ gạch chân: go fishing ________________________________________________________________ 3. There are a lot of trucks and cars on the highway in the rush hour. (Where), từ gạch chân: on the highway ________________________________________________________________ 4. The students used to be taught about road signs when they studied in secondary school. (What), từ gạch chân: road signs ________________________________________________________________ 5. Hung always drives his car very carefully. (How), từ gạch chân: his car ________________________________________________________________ 6. It is about 100 km from Ha Noi to Hai Phong. (How far)