Nhận biết các chất sau: MgSO4, NaCl, CaI2, Na2S

We didn't go to the concert last night because we were busy --> If

I had to take " an English course" in the evening ( make question) -->

Hoàn thành câu 1, you/ visit/ grandparents/ weekend / are/ to/ your/ next/ going/? --> 2, meet/ you/ the/ half/ we/ outside/ stadium/ an/ will/ in/ hour -->

1, He wanted to give her a nice surprise, so he brought her a big bunch of roses ( sử dụng cụm từ chỉ mục đích) --> 2, She is working hard. She wants to pass the coming exam. (Sử dụng cụm từ chỉ mục đích) -->

The weather wasn't good yesterday. We still went on a picnic --> Although