The research is so designed that once _______ nothing can be done to change it.
| A．begins | B．having begun |
| C．beginning | D．begun |
-Sorry, sir. I didn’t finish the assignment yesterday.
-Don’t worry. You ______ hand it in tomorrow.
| A．should |
| B．must |
| C．need |
| D．may |
______ rich knowledge you have, you can’t stop learning, ______ society is always advancing.
| A．Whatever; for |
| B．However; for |
| C．Whatever; although |
| D．However; because |
John worked hard at his lessons and gained ______ to a famous university last year.
| A．permission |
| B．admission |
| C．agreement |
| D．freedom |
-I have told Jane that I’ll help her.
-______ are better than words. You mustn’t disappoint her again.
| A．Activities |
| B．Performances |
| C．Deeds |
| D．Movements |
Do not except pupils to be identical. Every child is ______, with their own needs, preferences and talents.
| A．original |
| B．similar |
| C．unique |
| D．equal |