George Washington was born in 1732 in a rich family in _______ is now the state 
of Virginia.
| A．which | B．where | C．that | D．what |
He was told that it would be at least three more months _______he could recover and return to work.
| A．when | B．before |
| C．since | D．that |
---Where did the accident happen?
---It was at the post office near the Mansion Friendship ______ the peace talk would be held.
| A．where | B．which |
| C．that | D．When |
I dislike _________when others laugh at me in public or think poorly of me behind.
| A．that | B．those |
| C．it | D．them |
________about her son’s future, the mother has been sleeping very badly these months.
| A．Concerning | B．Concerned |
| C．To concern | D．Having concerned |
A ____will be offered to the information leading to the arrest of the bank robber.
| A．price | B．fund |
| C．reward | D．profit |