A cook will be immediately fired if he is found ________ in the kitchen.
|
A．smoke |
B．smoking |
|
C．to smoke |
D．smoked |
He found his son________by letters and papers and________very worried.
|
A．surrounding；looked |
|
B．surrounded；looked |
|
C．surrounding；looking |
|
D．surrounded；looking |
________you may have，you should gather your courage to face the challenge.
|
A．However a serious problem |
|
B．What a serious problem |
|
C．However serious a problem |
|
D．What serious a problem |
There were some chairs left over________everyone had sat down.
|
A．when |
B．until |
|
C．that |
D．where |
She had just finished her homework________her mother asked her to practise playing the piano yesterday.
|
A．when |
B．while |
|
C．after |
D．since |
Tom was about to close the window his attention was caught by a bird.
|
A．when |
B．if |
|
C．and |
D．till |
