_____ in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.
| A．To wait | B．Have waited | C．Having waited | D．To have waited |
In summer there is________swimming as a means of keeping fit.
| A．nothing like | B．something like |
| C．anything like | D．nothing but |
From his________look，I could see that he didn’t believe what I said.
| A．amazing | B．amaze |
| C．amazed | D．amazement |
According to statistics，a man is more than twice as likely to die of skin cancer________a woman.
| A．than | B．such |
| C．so | D．as |
You did very well in all your subjects—________，you passed the midterm examination.
| A．in the end | B．after all |
| C．at the same time | D．in other words |
The conference has been held to discuss the ________of global warming on people’s lives all over the world.
| A．importance | B．effects |
| C．protection | D．impression |