In 1960, this was the longest bridge that __________

He is _____ careless a student that he often _____ some letters while writing.

When my parents were young, they had to ______ several miles every day to school since they had no money to buy a bike.

27．—Do you think it wise for Chinese parents to try to do everything for their children? —No, that’s_________they are mistaken

英语老师指着“Ff”问道：What’s this 你应答：_______.