第一个是不是错了,
是不是应该是学一门外语很难但是很有用阿
那应该填
1.It`s hard but helpful to learn a foreign language
2.It`s interesting to get to know a country from a PLENPA(the Energy Planning of the Principado of Asturias )有点纳闷~
3.Are there many flowers near the house?
Yes,there are many.