Roses need special care ______they can live through winter.
| A．because | B．so that | C．even if | D．as |
_________ forget my hometown and my happy childhood.
| A．Never I will | B．Never will 1 |
| C．Never I | D．I never have |
_________ she would have avoided the accident.
| A．She was more careful | B．If she was more careful |
| C．Had she been more careful | D．She had been more careful |
Seldom _________ any mistakes during my past five years of teaching in this university.
| A．would I make | B．I did make |
| C．should I make | D．did I make |
It was _________ he said _________ disappointed me at that time.
| A．what; that | B．that; that |
| C．what; what | D．that ； what |
It was only when I reread his poems recently _________ I began to appreciate their beauty.
| A．until | B．that |
| C．then | D．So |