__________ the reason , research shows that laughter is good for your health.
| A．Whatever | B．Whenever | C．Whichever | D．However |
--- Please don't make a noise.
--- _______I'll be as quiet as a mouse.
| A．Yes, I won’t | B．No, I will | C．Yes, I will | D．No, I won't |
– When do you think the lecture will begin?
– I’m not sure yet, but the speaker is ________ to be here before nine.
| A．possible | B．probable | C．likely | D．perhaps |
At the Nuclear Security Summit, all the leaders discussed the plan they would like to see
_______ in the near future.
| A．carry out | B．carrying out | C．to carry out | D．carried out |
_______ could be judged from her eyes that she was terribly sorry for what she ________.
| A．As; had done | B．That; did | C．As; did | D．It; had done |
The committee _______ of fifteen members.
| A．consists | B．is consisted | C．formed | D．make up |