20.I wonder why he is always listened to with such attention.
21.I can't decide if I should join them or not until I know when they're leaving.
22.Tell him please, if he knows the south I give him my camera
23.I could not remember the name of the medication that was prescribed to me.
24.How long have you been waiting for? I hope that nothing had happened with him.
25.She said that she would wait for us in the garden till we called her.26.I have never met a man, who could eat as much ice cream.
27.My friend said that he's learning how to drive, and he really liked it.28.I don't know how many times I still need to repeat the material to pass the exam well
29.He was asked many questions but he was unable to answer everything.
30.Have you been crying? You've got red eyes.