She will fee better if she takes that medicine UNCLESS====–. If it isn’t free, I won’t go UNCLESS..

She will fee better if she takes that medicine UNCLESS………………………………………………… If it isn’t free, I won’t go UNCLESS……………………………………… Peter missed the meeting because his car broke down If………………………………………………. If the customers had not complained, nothing would have been done Had………………………………………… I think you should tell the police about the robbery If i………………………………………………………..

1. she often reads book while she-…for the bus A.wait B.will wait C. is waiting D.had waited 2.when i ..at his house , he sti

1. she often reads book while she…….for the bus A.wait B.will wait C. is waiting D.had waited 2.when i ..at his house , he still……….. A.arrived/sleeping B. arrived/was sleeping C.am arriving /sleeping D.was arriving/slept 3.Bill…….breakfast when i ……….at his house this morning A.had/stopped B.was having/was stopping C. was having/ stopped D. had had/stopped 4.my teacher … Đọc tiếp

Biết độ tan của muối Na2CO3 18°C trong nước ở 18°C là 21,2g . Làm lạnh 160g dung dịch Na2CO3 nóng có chứa 40g Na2CO3 về nhiệt độ 18°C . a) Tính số gam

Biết độ tan của muối Na2CO3 18°C trong nước ở 18°C là 21,2g . Làm lạnh 160g dung dịch Na2CO3 nóng có chứa 40g Na2CO3 về nhiệt độ 18°C . a) Tính số gam Na2CO3 tan trong dung dịch trên b) Có bao nhiêu Na2CO3 tách ra khỏi dung dịch?