1 . 请你修改以下的每个句子，每句有1处语言错误，错误涉及一个单词的增加或修改。
增加：在缺词处加一个漏字符号（∧），并在此符号下面写出该加的词。
修改：在错的词下面划一横线，并在横线下面写出修改后的词。
注意：每处错误及其修改仅限一词。
1. Anyway，after we left Barcelona, we come to spend several days in Granada.
2. I have been learning English since I am in primary school，but the truth was that I was not so good at listening.
3. After driving her to the bus station, he returned to the shop, buy a large bunch of flowers, and drove all the way to his mother’s.
4. I’ve had many dreams since I was a child. Now my dream is to open a cafe. Though it may appear simple,it required a lot of ideas and efforts.