Find the word that fits each space:
1. Traffic lights used to ____ very special in the past.
2. 85% of all the accidents are ______ by the drivers’ carelessness.
Find the word that fits each space:
1. Traffic lights used to ____ very special in the past.
2. 85% of all the accidents are ______ by the drivers’ carelessness.
1.be
2.happened
1. Traffic lights used to be very special in the past. (Used to +V)
2. 85% of all the accidents are happened by the drivers’ carelessness. ( câu bị động tobe + Vp2)