Проверьте пожалуйста выполненное задание)))

• A lot of countries ARE FACING a lot of various problems at present. a) is facing; b) am facing; c) are facing.
• The economy of Russia IS SHOWING the strengthening of its own internal market now. a) is showing; b) was showing; c) will be showing.
• The Liberal party IS RULING the country nowadays.
a) was ruling; b) is ruling; c) shall be ruling.
• My friends WAS GOING sightseeing when we met them near the museum.
a) are going; b) was going; c) were going.
• The country WAS PRODUCING a great number of hand-made things the whole decade last century. a) was producing; b) were producing; c) is producing.
• This famous writer WAS LIVING in the USA for most of the 1990s.
a) am living; b) was living; c) is living.
• I AM soon STARTING my studies in King's College.
a) was__starting; b) am___starting; c) shall___be starting.
• The factories WILL BE PRODUCING lot of goods when they install up-to-date equipment. a) will be producing; b) were producing; c) are producing.
• What WERE you DOING when we rang you up? a) are___doing; b) were____doing; c) will____be doing.
• Russia WILL BE DEVELIPING a new economic strategy all next year long. a) will be developing; b) is developing; c) was developing.