Among millions of people who watched television coverage of the rescue of the Chile’s first miner _________U.S. President Barack Obama, who hailed the operation as an inspiration to the world. A.is B.were C.are D.was
I ________ letters this morning and ________ for four hours so far. A.will write; wrote B.have written; have written C.was writing; wrote D.have been writing; have written
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