1 . —Mum, I broke Dad’s sunglasses this morning.
—You need to make an apology for your fault, ________ you will regret.

A．and	B．or
C．but	D．for

2 . Although the Roma couldn’t be forced to pay taxes, they couldn’t vote ______they agreed to ______a government.

A．unless, submit to	B．until, correspond to
C．when, resign to	D．while, compromise to

3 . Recently some hospitals in China have adopted ______ they call a robot-doctor, ______ will be used to operate on patients with more accuracy.

A．what; that	B．that; which
C．what; which	D．which; what

4 . — Someone wants you on the phone.
— ________ nobody knows I am here.

A．Although	B．And
C．So	D．But

5 . A man can fail many times,      he is a real failure when he begins to blame someone else.

A．but

B．or

C．and

D．so

6 . Nobody can go back and start a new beginning, ______ anyone can start now and make a new ending.

A．for	B．and
C．but	D．so

7 . (2014·北京) Some animals carry seeds from one place to another, ______ plants can spread to new places.

A．so	B．or
C．for	D．but

8 . —Someone wants you on the phone.
—________ nobody knows I am here.

A．Although	B．And
C．But	D．So

9 . What an unforgettable experience! I’ll write it down _______ it is still fresh in my memory.

A．since

B．after

C．while

D．until

10 . Most animals have little connection with animals of a different kind, _______they hunt them for food .

A．if

B．while

C．unless

D．as