Warmup for September 8

1. A. NO CHANGE B. was, in 1949, for the first time produced, C. was first produced in 1949 D. OMIT the underlined portion 2. A. NO CHANGE B. time after time after time C. with astonishing frequency D. OMIT the underlined portion 3. A. NO CHANGE B. uncanny ability to relate C. communication D. ability to relate, to talk 4. A. NO CHANGE B. and most important, in fact C. or increasingly fundamental D. OMIT the underlined portion