--- What were your parents doing at eight last night?--- My father was cooking while my mother        .

—The country has already sent up an unmanned spacecraft to the moon.—Yes. Chang’e I       to the moon last October.

--When _______ you _______ to learn to skate?--Five years ago.

–Have you ever been to Disneyland?–Yes. I ________ there last summer.

I        in this city since I        five.