—Mum，can I go on a holiday with my classmates this summer vacation?
—OK．You have a chance if you get along well with your studies．
| A．could | B．shall | C．might | D．must |
What are you doing out of bed, Tom? You're to be asleep. ,
| A．supposed | B．known | C．thought | D．considered |
If you __ go, at least wait until the storm is over.
| A．can | B．may | C．must | D．will |
With new technology, pictures of underwater valleys can be taken color.
| A．by | B．for | C．with | D．in |
The employment rate has continued to rise in big cities thanks to the efforts of the local govenments to increase.
| A．then | B．those | C．it | D．that |
Sit down, Emma. You will only make yourself more tired, on
you feet.
| A．to keep | B．keeping | C．having kept | D．to have kept |