V. Cho dạng đúng của động từ trong ngoặc 1. He used (be)__________ a good student, but now he is poor. 2. Children at the age of 10 or over can (ride)__________ their bikes alone. 3. How long _________it (take)__________ you from Ha Noi to Sa Pa last summer? 4. I (use)______ to have time to collect stamps when I (be)________ in primary school. 5. “How far ______(it be) from your house to the nearest bus stop?” - “About 50 metres.” 6. I (not use to)___________ like sports, but now I do a lot of different sports. 7. We (usually go)____________ to the supermarket by bicycle on Sunday. 8. Traffic rules should (obey)____________ strictly by road users. 9. There used to be traffic jams in this street during rush hours, but now the street (become)___________ wider. 10. What did the student use (teach)____ about when they studied in secondary school? giúp mik đi mà