1,Nga said : I am going to visit my grandmother next weekend
-->Nga said that
2,The doctor is working at Bach Mai hospital. You met him yesterday
-->The doctor whom
3,Someone has stolen the picture
-->The picture
4,In spite of her sickness, May insisted on going to work
-->Although Mary
5,Nam can run the fastest in my class
-->Nobody
6,Emily is sick to day, so she cannot go to school
-->It Emily
7,The last time we saw the film was 10 years ago
-->It is
8,Why don't you complain to the company, Jane?, said Mr John
-->Mr John suggested
9,It took me three hours to clean the house yesterday
-->I spent
10,Millions of people were watching the 2010 Worldcup
-->The 2010 Worldcup
11,They built this house in 2015
-->This house
12,When did you begin studying English the interviewer asked me
-->The interviewer asked
13,Many students in the USA participated in different activities at recess
-->Many students in the USA took