________ several years he has been working like this.
| A．In | B．After | C．For | D．Since |
Sometimes we just can’t understand why so many people fail to realize that wealth does not ______ bring happiness?
| A．consequently | B．automatically | C．necessarily | D．particularly |
Research shows that though students benefit from having parents involved at school, _____ happens at home matters much more.
| A．which | B．what | C．that | D．whether |
________the letters there are answers written by people who are supposed to know how to solve such problems.
| A．Along with | B．Apart from | C．According to | D．Regardless of |
Children are excited about the approach of Christmas, _____ may bring great happiness to them.
| A．it | B．which | C．what | D．that |
_____ a piece of cheese cake my mum prepared---You won’t be disappointed!
| A．Trying | B．Tried | C．To try | D．Try |