1.
I go skiing every winter. 2. I started <span><span> skiing/to ski </span> when I was six. 3.
I tried to ski down the mountain, but it was two steep. 4. My
instructor made me ski down the steep mountain. 5. I enjoy </span><span><span> skiing </span> very much. 6. Dave used to ski when he was younger, but
not any more.
</span>
Будет an, ибо он всегда используется с гласными, н/п: an Apple, an egg
А а используется с согласными, н/п: a banana
Да и по звучанию посмотри, a omelet произносится очень грубо, нежели an omelet.
1. The official name is Russian ...... (Federation).
2. What was the name of the first Russian President? (Boris)
3. Whay is the highest law is of the Russian Federation? (Constitution)
4. Who is the current Prime Minister? (Medvedev).
5. What is the capital of Russia? (Moscow)
6. What is the deepest lake in Russia? (Baikal)
7. Where is Lake Baikal located? (Siberia)
8. Who was the first man in space? (Gagarin)
9. What is the most famous Russian symbols? (Matryoshka)
10. What is the Russian Presiden's name? (Vladimir).
В каком контексте ? Если текст в настоящем простом времени, то следует поставить глагол "is" .