1、He received a threatening letter.
2、He got a threatening letter.
3、I cannot believe he wrote me this threatening letter. Of all the nerve!
4、He received a threatening letter demanding$1,000,000, and the police said it was blakmail.
5、The lady got a threatening letter and was frightened by the threats in it.
6、A McCain campaign office received a threatening letter containing an unidentified powder. Authorities say the substance wasn't dangerous, and they already have a suspect.
7、He refused to be awed by the threatening letters.
