Change into passive (I): We cannot exchange articles which customers have bought during the sale. → ......................................................................................................

Rewrite the sentences in the passive voice form. People should stop experiments on animals.

Make a phrase with each of the words in 1. domestic: ____________

Choose the correct option to fill in the blank in the following sentence: Cigarettes ________ at convenience stores near schools and hospitals.

Complete the sentences with the appropriate forms of the verbs in the list. Some of the sentences are active and some are passive. discover cost pollute whisper wra...

Complete the second sentence by circling A, B, C or D, so that it has the same meaning as the first sentence. You must return books on time. -> Books.....................on time. A. must r...