有问题.
应该是:i had trouble making friends until i followed my mother's advice.
not until...否定表肯定,直到…才.如:she didn't go to school until she's seven. 她直到7岁才上学.
according to是个介词短语,不能当动词来用.
有问题.
应该是:i had trouble making friends until i followed my mother's advice.
not until...否定表肯定,直到…才.如:she didn't go to school until she's seven. 她直到7岁才上学.
according to是个介词短语,不能当动词来用.