Why did you go to London two years ago— I went there with the aim of learning English.

He thought I was talking about his son, ____in fact I was talking about mine

The little girl is walking along the beach, _____, occasionally bending down to pick up a beautiful seashell．

It has been that some government leaders _____ their authority and position to get illegal profits for themselves that resulted in the opposition in Thailand..

Look，so many passengers__________ with their smart phones on the underground．