The shooting centre is about 50 kilometers ______Beijing.
| A．south of | B．in south of |
| C．the south of | D．southern of |
Leaves are found on all kinds of trees, but they differ greatly_________size and shape.
| A．on | B．from | C．by | D．in |
My sister was against my suggestion while my brother was_____it.
| A．in favour of | B．in memory of |
C．in honour of | D．in search of |
__________ the silence for the pauses, we could hear each other’s breathing and could almost bear our own heartbeats. 
| A．In | B．For | C．Under | D．Between |
No one helped me. I did it all _____myself.
| A．for | B．by | C．from | D．to |
—You know, Bob is a little slow_____understanding, so….
—So I have to be patient _____him.
| A．in; with | B．on ; with | C．in; to | D．at; for |