Your teacher ________ very angry at that moment because you talked back to her like that.

It was on this vast grassland in Tibet________we saw those beautiful and magic Tibetan antelopes in2008 . [ ]

ur best to help the people when they are introuble, _______you will feel pleased and happy.

107 The Curies are best known for ____radium and they won the Nobel Prize in 1903

“What’s this in English” “_____.”