1.The teacher has requested the students to（）in

1.The teacher has requested the students to（ ）in red the words which have been spelled incorrectly.

2.The historians use the（ ）on the walls of ancient temples to guide them in their research.

3.During the interview,he asked me to（ ）what kind of things I do in my spare time.

4.A（ ）is the piece of paper on which your doctor writes an order for medicine and which you then give to a chemist or pharmacist to fill the order.

5.He（ ）his low mark to the noisy study environment.

6.My main reason for（ ）to New Scientist is to keep abreast of advances.in science.