单项选择题
Thank you for your help. （）
A.My pleasure./You’re welcome./Noproblem B.Never mind C.Quite right. D.Don’t thank me.
单项选择题 How are you，Bob？—greetings/How do you do？Hello!Hi!What’s up？（）Ted
单项选择题 As there was a power failure in the hospital, the doctor had to （）operation.
单项选择题 Television keeps us informed about （）events and the latest developments in politics and science.
