句型转换,1.We need to come up with (a plan.)对括号里内容提问－－－－ －－－－ －－－－ －－－ to come up with 2．I volunteer to clean up the park.My brother volunteers to clean up the park ,too合并为一句＿＿_ ______ I ______ _____ my brother ______ to clean uo the park

句型转换,
1.We need to come up with (a plan.)
对括号里内容提问
－－－－ －－－－ －－－－ －－－ to come up with
2．I volunteer to clean up the park.My brother volunteers to clean up the park ,too
合并为一句
＿＿_ ______ I ______ _____ my brother ______ to clean uo the park