请教几个高一英语题,能给我详细的解释吗?

题目

请教几个高一英语题,能给我详细的解释吗?
1A chain is___ its weakest link.
A.as stronger as B not so strong as C not stromger as D not stronger than
2You __ have my Harry Potter and the Order of Phoenix when TIMMY returns it to me next Monday.
A need B shold C shall D would
3Be careful when you cross this very busy street. If not you may _run over by a car
A have B get C become D turn

答案

1.貌似没有正确答案啊,正确答案应该是：no stronger than可以用排除法做题.as...as结构中用形容词strong的原级,排除A；如果用比较级stronger,则后面是than而不是as,排除C；选B翻译为：一个链条不如它最薄弱的环节那...