Students ______ remain in their seats until all the exam papers have been collected.
| A．must | B．shall | C．may | D．can |
You can come ______ on Tuesday _______ on Friday, but whichever you choose, please let me know.
| A．not only; but also | B．both; and | C．neither; nor | D．either; or |
The prisoner of war wished to be _________. Ten years later, he ____ and went home.
| A．free; is set free | B．freely; was set free | C．freely; is set free | D．free; was set free |
Don’t lose heart; __________ difficulties you are faced with will be overcome in the end.
| A．however | B．whatever | C．what | D．How |
All the flags for the sports meeting to be held next week _______ by hand. It will take us four days to make them.
| A．will be made | B．are making | C．will make | D．were made |
Luckily, the people there did ______ help him.
| A．that they could | B．which they could to | C．what they could | D．what they could to |