Отметь предложение с ошибкой 1. dogs can run. 2. cats can sing. 3. dans dog is black. 4. you have got a dog.

Dans dog is black.
Должно быть - Dan's dog is black.

3 предложение.
 Dan's dog is black

English is the official language in many countries , it is also an international language, because documentation of the most greatest organizations of the world is written in English. So English is studied in many schools and universities. 
You need to learn English if you want to go abroad to study, to fulfill yourself, to find new friends, to communicate freely abroad, to study the culture of other country, customs, traditions and literature or  just if you  enjoy obtaining new knowledge.
The English language can be useful in many professions, such as the manager, programmer, businessman, advertiser and so on. 
Knowledge of English is a sign of education and intellect.

1.F( Instead of wasting our time staying at
home watching TV and playing computer games as usual,)
2.T(After getting permission from our parents)
3. F( we
began planning our trip.)
4.F(We made a list of all the food and
supplies we would need and spent an entire afternoon searching for the best
place to buy our camping equipment.)
5.T( In the end, our tent,
stove and sleeping bags cost a lot of money, but it was worth it)
6.F( my Uncle Bob was kind
enough to drive us to the campsite )
7.F(We knew it would take
us a couple of hours to get there and Irvin and I grew more and more excited as
we got closer to where we were going()
8.T(Then, after a bit of trouble and a lot of laughter)
9.F(- tinned spaghetti - we both agreed it was the best food)
10.F(A short time later, warm and comfortable in our sleeping bags, we quickly fell asleep and dreamed about what our great
adventure would bring.
)