单项选择题
A.The concert is very impressive. B.Almost everyone loves pop music. C.She regrets paying for the concert. D.Applause encourages the singers.
A.The inadequate supply of water and electricity. B.The lack of overall urban planning. C.The shortage of hi-tech personnel. D.The huge gap between the haves and have-nots.
A.Handling customer complaints. B.Recruiting and training new staff. C.Developing computer programs. D.Dispatching ordered goods on time.