Grammar—1. Put the following sentences into passive voice (8m)

In the late 1970s students revived the tradition. Today, people in Venice celebrate carnival for five days in February. The government will build more roads to solve the problem of traffic jams.

In the late 1970s the tradition was revived by the students.

Today,carnival is celebrated in Venice for five days in February.

一般现在时的被动语态：am/is/are+过去分词 一般过去时的被动语态：was/were+过去分词 一般将来时的被动语态：will be+过去分词

More roads will be built to solve the problem of traffic jams by the government.