finish the second sentence so that it has the same meaning as the first :
Câu 1: Speaking english fluently is not easy
=> It...................................................................................................................
Câu 2: The problem is so difficult that I can't explain it .
=> This is such ...............................................................................................
Câu 3: She is poor but she lives in happiness.
=> Although ...................................................................................................
Câu 4: It rained, so we couldn't go out.
=> We couldn't...............................................................................................
MN GIÚP EM VỚI Ạ!!!! T^T