1 B made ( S + is/ am/ are + Vpp )
2 A to watch ( S + tobe + adj + for SO + to V )
3 C built ( Bị động tương lai đơn: S + will + be + Vpp )
4 C opening ( mind + Ving )
5 D was given ( S + was/were + Vpp )
6 A recycling: tái chế
7 A will play ( promise + S + will )
8 B told ( S + was/were + Vpp )