聽(tīng)力填空:
January 21st, 1976, the supersonic (1)___ works into service for the first time, beginning a run lasts from the nearly 3 decades.
1977, President Jimmy Carter pardons almost all Vietnam War (2)___ keeping his promise made on a campaign trail. "And I'm not gonna say for those jump people were guilty or not guilty. I'm just gonna say what you did, whether it's right or wrong, you forgiven for us, come on back home.
1950, a federal jury finds former State Department official Alger Hiss guilty of perjury during his case, a (3)___ in early Cold War politics.
And 1942, Count Basie and his (4)___ , one of the most popular big bands in the US, record their hits, "One O'clock Jump".