The Ice Bucket Challenge is a fund raising game, and it aims to raise ______ of amyotrophic lateral sclerosis ( ALS 肌萎缩性脊髓侧索硬化症).
| A．acquisition | B．conscience |
| C．awareness | D．privilege |
----She must have gone back to the valley.
----No, she _____. The entrance to it was nowhere to be found.
A mustn’t B needn’t C couldn’t D hadn’t
She is late. What _____have happened to her?
A should B must C can D would
.We were all waiting for you .You _____for the seaside by yourself without leaving a message.
| A．mustn’t leave | B．shouldn’t have left | C．couldn’t have left | D．needn’t leave |
----Will Mr. Smith join us in the party ?
----He would, but he _____not . He sometimes likes to stay alone.
A must B can C needD may
The notice ______ “No smoking”. A is told B reads C tells D is read