US President Barack Obama ________ a national speech at the 10th anniversary of 9/11 terror attacks.
________I admire Gao Xiaosong as a famous musician,I don’t like his lifestyle.
Sometimes paragraphs need to be rearranged for the story to ___________.
Today, _______ people speak English as their first, second or a foreign language than ever before.
It was the first time in two years that I________ my youngest son face to face.
With our knowledge _________ practice, we can make contributions to our society.