The sons and daughters said they never fully appreciated their parents _________ it was too late to tell them.
| A．as | B．that |
| C．until | D．When |
We hadn't met for 20 years, but I recognized her_____ I saw her.
| A．the moment | B．for the moment |
| C．the moment when | D．at the moment when |
--- “What do you think of the service here?”
--- “Oh, ______. We couldn’t have found a better place.”
| A．too bad |
| B．sorry |
| C．wonderful |
| D．impossible |
It is often said that _______ teachers have ______ very easy life.
| A．不填;不填 |
| B．不填;a |
| C．the;不填 |
| D．the; a |
____is known to all, good friends _________ happiness and value to life.
| A．It; add |
| B．As; add |
| C．It; add up |
| D．As; add to |
Although he talked half an hour, he couldn't give us a good ________ of the reason why he did it.
| A．idea |
| B．explanation |
| C．sense |
| D．understanding |