.
Playing with a cell phone, he suddenly ________ the teacher staring at him.
|
A．knew of |
B．became aware of |
|
C．reflected |
D．aware for |
.
She seemed ________ the book before, but she said she had never.
|
A．to read |
B．to have read |
C．to be reading |
D．reading |
.
________ on the subject for half an hour, Liu Ying suddenly stopped.
|
A．To be worked |
B．To work |
|
C．Having worked |
D．Having been worked |
.
She offered me practical ________ with my research, for which I would appreciate for my whole life.
|
A．conduct |
B．certificate |
C．admiration |
D．assistance |
.
“ Look at him! He behaved ________ nothing had happened”, said Mary.
|
A．as if |
B．even if |
C．if |
D．unless |
.
The weather is so ________ this year that we can hardly stand so many cold days!
|
A．wonderful |
B．awful |
C．absurd |
D．accessible |
