1. Translate paying attention to Subject Clauses.
1. What has been achieved thus far is insight into economic mechanisms. 2. How pleasant work can be is shown by a simple fact. 3. What a
decision problem is must be clearly defined. 4. Whether the methods have
been used since then is not known. 5. Whether this could be achieved with
a triplex mechanization was to be determined. 6. Which method is preferred depends entirely on circumstances. 7. Whether or not a social system
evolves and survives is dependent on the efficiency with which it processes
information

there are a lot of holidays. my favorite holiday is a new year! i celebrated it with my friends! they got me a lot of presents - books, cd-disks and sweets. at the new year's morning i  ate sweets and sung songs. i gave some presents to my friend имя. she  was glad to see this present.  it is pretty happy holiday! i missed this, but i know - next new year will be more funny, then this! i will celebrate it with my best friends. they are loves me and i love their. i  i  congratulating all people, who listening me now with this  excellent feast. i love this holiday! winter  story.

1. of the two applicants ( лучше сказать among или out of ) из 2

2.- в предложении уже есть отрицание   unfortunately к несчастью, следовательно второго отрицания (как в )    i have never seen  не требуется .должно быть просто i have  seen 

mum often is upset when sees that her daughter has made of nothing: hasn't cleaned apartment, hasn't learned lessons, hasn't made a dinner.

мама часто расстраивается когда видит то её дочь ничего не сделала: не убрала квартиру, не выучила уроки, не приготовила обед.

'my past january'.

well, the january 2012 went by and i did not even notice those times. my january was pretty unsual.firstly, i went to grandmother's birthday in the beginning of the month. i also visited the national museum in moscow,russia just right in the middle of january. it was very exciting!  

i have graduated from acting school here,in my town. now i have a diploma which can help me with my future occupation.

i bought some new clothes as a little present for myself for the beginning of a new 2012 year!

i did not waste my time,so i also started learning french which always had been my dream.

i went to school,as usually. i did all my home tasks and studied hard.

and i finally bought a dog! her name is linda. i was so happy, because it has always been my dream from the childhood.

i think january went very good and i am happy with that a new chapter of my life has begun! february,here i go!

10 предложений. =) не волнуйтесь, без ошибок и со смыслом. про москву можете заменить на любой другой город, про собаку - тоже самое. удачи!