英语选择【六年级】Look!The traffic light is red.We must-----(stop)and

1、stop（must是情态动词,后面加动词原形）
2、left（由后面的was可以知道这个句子的时态为一般过去时,所以前面的要用过去式left）
3、took（由后面的last summer可知此句时态为一般过去时,所以要用过去式took）
再问： Danny lives in Nanjing.She wants to go to Qingdao by_____(ferry,ship).But it's too slow. We talked about his adventure 【for a whole day】.（括号部分提问) _____ _____did you talk about his adventure?
再答： 1、ship 2、How long