In fact, _______ one cause that leads to the problem.
| A．cattle is | B．cattle are | C．cattles are | D．the cattles are |
Mr. Smith insists on doing some running even __ a cold morning.
| A．in | B．on | C．of | D．at |
I had hoped Mr.Blake ___ earlier than usual.
| A．came | B．to come | C．would come | D．was coming |
Ruth has been married ___ Steven for ten years but she does not know her husband is a door-keeper.
| A．with | B．to | C．for | D．on |
This is the room ___ Uncle Tom once lived,
| A．which | B．that | C．where | D．on which |
The apples on the table belong to us, but the ___ on the floor belong to Mary.
| A．thing | B．one | C．ones | D．one’s |