It's e_____to cross the river by boat急!

It's e_____to cross the river by boat急! e_____to cross the river by boat Is it p---- to cross the Yellow River by boat It's easy ___ the river by boat?、The little boy is _____to s they cross the river to school (by boat).对括号部分提问 can their d Is it _______(safety)to cross the river in yhis old boat You can cross the river by f____ He_____the river by boat We used to cross the river by f___ but now there's a bridge. Peter is swimming_______(cross)the river.急, It’s difficult for the village children to cross the river t .---It’s not easy for people to cross the Changjiang River.-