When the earthquake, a destructive natural disaster, happened, ninety-nine coal miners were trapped in the coal mine _____the ruins, waiting _____. A. in; to be rescued B. under; for being rescued
1. acute A. alike B. bag C. back D. pack 2. war A. charm B. arch C. dwarf D. cigar 3. drop A. echo B. code C. close D. mop 4. thus A. thumb B. there C. thi