【推荐1】In April this year, the First Robotics Competition ______ in the Olympic Park Sydney, Australia. Fourteen students from Northeast Yucai Foreign Language School won five championships.

A．was held

B．was taken place

C．will be hold

D．is held

【推荐2】The trees in the park ____________ by the teachers and students last spring.

A．plant

B．are planted

C．planted

D．were planted

【推荐3】His flight        because there was something wrong with the plane. So he had to take the high-speed train from Shenzhen to Xiamen.

A．was canceled

B．canceled

C．is canceled

D．cancels