______he here, he______his best to help yo
题型:单项选择题
问题:
______he here, he______his best to help you.
A.Were...would try
B.Were...would have tried
C.If...would try
D.Had been...would have tried
______he here, he______his best to help you.
A.Were...would try
B.Were...would have tried
C.If...would try
D.Had been...would have tried