help me please grammar

Ruestion 20 Select the one best answer. O They already made a decision before we get there. O They already have made a decision before we get there. O They'll already have made a decision before we get there. O They'll already have made a decision before we getting there. O They'll already have been made a decision before we get there. They'll already have made a decision before we gotten there. estion 19 Anne Green and Annie Smith before the twins were three days old. Two separate Illinois families O had been adopted have adopted had adopted O has adopted Question 18 Select the one correct answer. Once they will use automation, their business improves. Once they used automation, their business will improve. Once they using automation, their business will improve. Once they use automation, their business will improves. Once they use automation, their business will improve. Once they will use automation, their business will improve. Question 17 the English language for years would like to see English spelling simplified. Some experts who O has studied will be studying have been studying have being studied is studying O studying Question 16 Select the one correct answer. Have you ever thinked about the meaning of success? Have been you ever thought about the meaning of success? O Have you ever think about the meaning of success? O Has you ever thought about the meaning of success? Have you ever thinking about the meaning of success? Have you ever thought about the meaning of success? Question 15 Select the one correct answer. o I went swimming even though the weather was cold. I went swimming despite the fact that, the weather was cold. o I went swimming, when the weather was cold. I went swimming the weather was cold. I went swimming despite where the weather was cold. o I went swimming, nor the weather was cold