Suntan oil is used to ---------- people ---------sunburn,
John is a rich man .There are many money in his life.(找错处,并改正)
there are twelve birds singing in the tree.（提问）
－－－－－－ －－－－－－ birds --------- ----------- singing in the tree?
Jack had no time to thonk it again.(改同义句)
------- --------- no time for Jack --------- think it again