These are the very last sentences of the day. Thank you very much for your help.

1) I know I'll miss working with you.
She is going to change job.
2) She suggested going to the cinema rather than to the theatre.
Do you remember seeing that man before?
3) His family expects him to be discharged from hospital tomorrow.
Passive: he is expected to be discharged from hospital tomorrow.
3) She is looking forward to seeing him again.
"I'm thinking about" hasn't got the same meaning as "I'm worried about"?
4) Actually, my paragraph on the end of the war wasn't finished.
The war continued till August in Japan, who (?) surrendered only when the two Japanese towns of Hiroshima and Nagasaki were destroyed by the American atomic bombs.
5) The horrors of the German concentration camps were generally known only at the end of the war, making even more evident the enormous danger Hitler had been to our civilization.
6) King George VI died in 1952 and was succeeded by his elder daughter, Elizabeth. Elizabeth II, married to Philip Duke of Edinburgh, is the present queen of England.
7) Disillusionment came at the realization that Britain was gradually being reduced to a second-class power dependent on the United States. Moreover, Britain lost its Empire handing (??) over the government of the various colonies to local rulers.

1) ... to change jobs.

2) OK

3) His family expects him to be discharged from the hospital tomorrow.
Passive: He is expected to be discharged from the hospital tomorrow.

3) She is looking forward to seeing him again.
"I'm thinking about" hasn't got the same meaning as "I'm worried about"?
(That's correct.)

4) Actually, my paragraph on the end of the war wasn't finished.
The war continued until August in Japan, whose government surrendered only after the two Japanese towns of Hiroshima and Nagasaki were destroyed by the American atomic bombs.

5) OK

6) OK

7) Disillusionment came at the realization that Britain was gradually being reduced to a second-class power dependent on the United States. Moreover, Britain lost its Empire by handing over the government of the various colonies to local rulers.