Both of them were surprised when they heard this, 2 Both of us were doing our best. 3 Both of them looked puzzled. 4 This is a good article. The information is it is both interesting and important for the book which I am working on. I am grateful to both of you that you got it for me. Do you need a receipt? - Yes, I'd better take it. 2 I'm afraid I can't give this magazine/journal to you today, I need it myself. 3 Do you still need a phone? - No, thank you, you may use it. 4 You needn't come here. You can either call us or send us a note with your younger brother. 5 Shall I translate this sentence immediately. - No you needn't. You may think a little bit. Don't worry about our son/ about this/ about his health. Don't bother call him/ remind him about this/ fill in the blankDoes this noise/ radio/ TV trouble us?