заполните пропуски используя is are isnot arenot
1.Moscow ... a beautiful city.
2.the Volga ... an ocean
3.Pushkin and Lermontov ... popular American writers
4.the Big Ben ... in red sguare 
5.Russia and China .... big countries.

думаю так (4 и 5 не уверенна):1. is2. is not3. are not4. is not5.are

1. Moskow is a beautiful city.2. The Volga is not an ocean.3. Pushkin and Lermontov are not popular American writers.4. The Big Ben is not in red square.5. Russia and China are big countries.