.He walked down the hills, _______ softly to himself.
|
A．sing |
B．singing |
C．sung |
D．to sing |
.At this moment the bell rang _______ the end of class.
|
A．announce |
B．announcing |
C．announced |
D．to announce |
The child sat in the dentist's chair _______.
|
A．tremble |
B．trembling |
C．trembled |
D．to trembled |
Properly _______ with numbers, the books can be easily found.
|
A．marked |
B．mark |
C．to mark |
D．marking |
Were you _______ when you saw that wild animal?
|
A．fright |
B．frightening |
C．frightened |
D．frighten |
_______ the composition, John handed it to the teacher and went out of the room.
|
A．Writing |
B．Having written |
C．Written |
D．Being written |
