You will achieve nothing _ you work hard.
| A．if | B．unless | C．when | D．that |
----What do you think_________a perfect friend?
-----Good personal qualities are the most important.
| A．to make | B．make |
| C．makes | D．making |
--- Dad, I ______ the theatre for a while, but I left my ticket at home.
--- Don’t worry, my boy, I will take it to you.
| A．have reached | B．will arrive at |
| C．have been at | D．get to |
---__________ than giving money must be done to help the poor farmers.
--- I agree, then, they can make a living by themselves.
| A．Nothing more valuable | B．Something more valuable |
| C．Less valuable nothing | D．Less valuable something |
----I am looking for information on social safety.
----You can take this book. Social safety is _______ introduced in it
| A．regularly | B．naturally |
| C．usually | D．specially |
A hard-working man__ _______become a great scientist, but a great scientist__________
be a hard-working man.
| A．can’t; can | B．may not; can |
| C．mustn’t; must | D．may not; must |