Some researchers believe that there is no doubt _______ a cure for AIDS will be found.
— When would it be for you to go to the science museum with me?— I am free this Friday afternoon. Let’s meet at 2 p.m. at the school gate.
— Have you ?— No. I had the wrong number.
Studies show that people are more to suffer from back problems if they always sit before computer screens for long hours.
Ricky stepped forward to front of the stage and began to sing in loud voice.
but he still can not understand it.