________ we go swimming every day ______
题型:选择题
问题:
________ we go swimming every day ________ us a lot of good.
A.If...do
B.That...do
C.If...does
D.That...does
________ we go swimming every day ________ us a lot of good.
A.If...do
B.That...do
C.If...does
D.That...does