B4

Once there lived an old emperor who had no children. He couldn’t /could not choose his successor for a long time.
(could – прошедшая форма от can)

 NOT CAN

B5

Then he called all the young people in the kingdom together and said, «I’ll give each one of you a seed today. I want you to go home, plant it, water it and come back here one year from today with what you have grown from this one seed.» A boy named Ling also got a seed. He came home and told his mother that he would grow the best plant.
(reported speech, при переходе их прошлого в будущее will меняется на would)

GROW

B6

She helped him plant the seed. Every day he watered it but nothing grew.
(ему)

 HE

B7

A year passed and Ling took his empty pot to the palace while all the rest brought some beautiful plants. The emperor said, «Lying is the worst thing in the world. I gave you all spoilt seeds. Nothing grows from spoilt seeds.» So Ling became the new emperor.
(bad–worse-the worst)

 BAD

B8

Roald Dahl, a famous British writer, was Norwegian by birth. Dahl was named after the Polar explorer Roald Amundsen, a national hero in Norway at the time. During the Second World War Dahl served in the Royal Air Force as a fighter pilot.
(past simple passive, т.к. он был назван, а не он назвал к.л.)

NAME

B9

Dahl became well-known in 1940s with works for both children and adults.
(child – ед.число, children – мн.число)

 CHILD

B10

One of his highly popular tales was ‘Charlie and the Chocolate Factory’. Since 1945 his books have been published in almost 50 languages.
(present perfect passive, т.к. действие началось в прошлом, и не закончилось до сих пор.)

PUBLISH