It was only when I read this story for a second time ________to appreciate its beauty.
| A．that did I begin | B．had I begun | C．then I began | D．that I began |
If it is fine tomorrow, we ______ a football match.
| A．have | B．will have | C．has | D．shall has |
When he was at school, he ______ early and take a walk before breakfast.
| A．will rise | B．shall rise | C．should rise | D．would rise |
In the past 30 years China ______ great advances in the socialist revolution and socialist construction.
| A．has made | B．have made | C．had made | D．having made |
I ______ go to bed until I ______ finished my work.
| A．don’t/had | B．didn’t/have | C．didn’t/had | D．don’t/have |
Mary is very late, she ______.
| A．may miss her train | B．may have missed her train |
| C．must miss her train | D．could miss her train |