John's success has nothing to do with good luck. It is years of hard work has made him what he is today.
| A．why | B．when | C．which | D．that |
Being a parent is not always easy, and being the parent of a child with special needs often carries with ___ extra stress.
| A．it | B．them | C．one | D．him |
____ twice, the postman refused to deliver our letters unless we changed our dog
| A．Being bitten | B．Bitten |
| C．Having bitten | D．To be bitten |
The biggest whale is ___ blue whale, which grows to be about 29 meters long-the height of ___ 9-story building.
| A． | the; the | B． | a; a | C． | a; the | D． | the; a |
John was given the same suitcase his father and grandfather ___ with them to school.
| A．took |
| B．had taken |
| C．were taking |
| D．would take |
At first he hated the new job but decided to give himself a few months to seeit got any better.
| A． | when | B． | how | C． | why | D． | if |