Bài 1: Chia động từ ở thì quá khứ đơn trong đoạn văn sau On Friday, the children __ (talk) about a day out together in the country. The next morning, they __ (go) to the country with their two dogs and __ (play) together. Ben and Dave __ (have) some kites. Some time later the dogs (be) not there. So they __ (call) them and ___ (look) for them in the forest. After half an hour the children ___ (find) them and __ (take) them back. Charlie __ (be) very happy to see them again. At lunch time Nick __ (go) to the bikes and __ (fetch) the basket with some meat sandwiches. Then they __ (play) football. Nick and Dave ___ (win). In the evening they __ (ride) home. giúp mình