"<html><head><title>Bài tập trắc nghiệm</title><meta charset=""utf-8""></head><body><center><table border=""0""><tr><th><iframe src=""https://drive.google.com/file/d/1lAFiU_MRiFXYmm8XQ5QCyxs4nBYxIqRY/preview"" width=""1000"" height=""600"" frameborder=""0"" marginheight=""0"" marginwidth=""0"">Đang tải…</iframe></th><th><iframe src=""https://docs.google.com/forms/d/e/1FAIpQLSc8v7d6pclUuDQidzOlVJHLDVYEFuZX3RZI6qTfFHv7f_73sA/viewform?embedded=true"" width=""360"" height=""580"" frameborder=""0"" marginheight=""0"" marginwidth=""0"">Đang tải…</iframe><center><font color=""blue"">Thiết kế: Hoàng Việt Thanh </font></center></th></tr></table></center></body></html>"