giúp em bài này với, nhanh lên ạ. Vì em đang cần rất gấp. Ai nhanh tay em sẽ vote 5 sao ạ :)))

81. Hoa had no difficulty in translate 

82. It's 20 years since the last time she came back to his village

83. It's the 1st time we've met such a famous singer

84. He would rather play golf to play tennis 

85. Is coffee been exported to Europe by your country

86. Neither of the chairs are uncomfortable

87. The food was so bad for children to eat

88. So far i have been writing 5 pages of the letter

89. The dogs is always steals my socks

90. There is no point in persuading 

Ex1:

1. has

2. have

3. make

4. have

5. make

6. make

7. find

8. Give

9. answer

10. leave