用适当的介词填空。

1. It’s my grandmother who cooks ________ us every day.

2. Her parents want her to marry the young man who is _______ a good family.

3. Who helps you _______ your homework in the evening?

4. My grandfather used to go to work ________ his bike.

5. They weren’t very rich, but they were happy _______ those days.

在《担保法》中，关于权利质押的描述不准确的是（）。

A.质押合同自权利凭证交付之日起生效

B.汇票、支票、本票、仓单等兑现或者提货日期先于债务履行期的，质权人可以在债务履行期届满前兑现或者提货，并与出质人协议将兑现的价款或者提取的货物用于提前清偿所担保的债权或者向与出质人约定的第三人提存

C.以依法可以转让的股票出质的，出质人与质权人应当订立书面合同，并向证券登记机构办理出质登记。质押合同自登记之日起生效

D.股票一旦出质，即使出质人与质权人协商同意的也不得转让