估算。

398+204≈                         589+296≈                        203 +199≈                     528 +175≈    

502+406≈                         498+305≈                        698 +104≈                     801+102≈

I hope Margaret will______to go to the concert with us.

A．enough early arrive

B．early enough arrive

C．arrive enough early

D．arrive early enough