Computer - компьютер
Dictionary - словарь
(Pencil) sharpener - точилка (для карандашей)
Moscow is full of parks, museums, theaters and art galleries. It is a center of cultural and economic life of Russia. Large number of famous Russian institutes and universities, banks and companies is situated here. Many tourists enjoy visiting Moscow. The city has great number of hotels and restaurants. Moscow is also the center of political life.
I like the book which I bought yesterday. - странно, что среди предложенных вариантов нет определённого артикля the, т.к. здесь нужен именно он, потому что есть пояснение - "<span>which I bought yesterday".</span>