________ for more than three months, but he did his best to catch up with his classmates. A.Being ill B.Having been ill C.Though he was ill D.He was ill
Having been attacked by foreign terrorists, ________. A.the police came as soon as possible B.warnings were given to the public C.the doctors came to rescue the injuries D.the tallest building collapsed
The mother and son recognized each other at first sight though ________ for many years. A.separating B.to be separated C.separated D.having been separated
Today, tourists do not see any person in Pompeii, which, though, ________ a busy city of twenty-two thousand people. A.had been B.was C.has been D.would be
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