| A | B |
|---|
| Mark wanted to ______ the tutor. | thank |
| Mark thanked the tutor _________ had worked with him for the whole semester. | who |
| Mark thanked the tutor ______ the tutor had worked with him for the whole semester. | ; |
| Mark thanked the tutor______ major is English had worked with him for the whole semester. | whose |
| Mark wanted to thank the tutor who had worked with him for the whole semester; ________ he has no chance to meet the tutor. | however |
| Mark thanked the tutor, ______ he decided to give the tutor a gift. | and |
| Mark gave the tutor a book written by Dr. Wood, ______________. | a famous professor in English field |
| The tutor ______ very happy when he got this gift. | was |
| The tutor did help Mark lots not only in correcting mistakes but also in ________ Mark’s article easier to read. | making |
| _________ is true that Mark really thanked the tutor. | It |
