To perform perfectly,we still need 8 pairs of white (trousers).
Mr.Zhang,your is excellent!Have you ever studied abroad?(pronounce)
I don't use my mobile phone a lot at night,as its blue light is to my eyes.(harm)
LEGO is one of the that can develop children's creativity.(toy)
I offered my seat to an elderly man,but he refused .(polite)
Little Tom has just celebrated his birthday.(nine)