1．As we all live on the same planet，mutual respect should become the ________(共识) shared by farsighted people.
2．She looks ________(可疑的)when she was asked whether to do this.
3．The doctor said the old man's condition was ________(没有希望的)．
4．It was g________ of him to offer to pay for us both.
5．She wore a heavy gold c________ around her neck.
