In English class, our teacher often creates an environment __________ we are given the opportunity to solve problems ourselves.
| A．where | B．when | C．which | D．that |
He apologized to me for his_________ me to his home.
| A．delay inviting | B．delaying to invite |
| C．delay to invite | D．delaying inviting |
The question was not as simple as it_________.
| A．supposes to |
| B．supposed to be |
| C．was supposing to be |
| D．was supposed to be |
They delayed_________the sports meeting until next month.
| A．to hold | B．hold |
| C．holding | D．held |
.I went to meet him at the airport but I_________.
| A．didn’t | B．failed |
| C．can’t | D．lost |
There was no_________ about it that they had got the news.
| A．affair | B．doubt |
| C．matter | D．problem |