Not until he retired from teaching three years ago having a holiday abroad.
| A．he had considered |
| B．had he considered |
| C．he considered |
| D．did he consider |
I wasn't able to hide my eagerness when I ________, "What do you wish me to do now?"
| A．ask | B．have asked | C．am asking | D．asked |
Video games can be a poor influence if ________ in the wrong hands.
| A．to leave | B．leaving | C．leave | D．left |
Only after talking to two studentsthat having strong motivation is one of the biggest factors in reaching goals.
| A． | I did discover | B． | did I discover |
| C． | I discovered | D． | discovered |
As you go through this book, you ________ that each of the millions of people who lived through World War II had a different experience.
| A．will find | B．found |
| C．had found | D．have found |
It was when we were returning home ________ I realized what a good feeling it was to have helped someone in trouble.
| A．which | B．that | C．where | D．how |