The speaker worried aboutA．smoking problem.B．traffic problem.C．sound pollution.D．air pollu

The WHO is worried aboutA．people"s stopping eating beef.B．people"s stopping eating chicken

–– Speaker A: Sorry about the inconvenience.–– Speaker B:______A: Don’t worry about it.B

The researches by the commission mentioned in the passage are most concerned aboutA．the ti

Speaker A: Im worried about those classes I missed when I was sick. Speaker B:______A．I am

Speaker A: Im worried about next Mondays English exam. Speaker B: ______A．Take it easy. I"

Speaker A: Im so worried about this job interview. Speaker B: Don worry. ______.A.Take