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 wrap forget repeat replace sew tell The ancient ruins may have............. as early as 1974. The historical record is difficult to interpret.

Put a mark (') before the stressed syllable of each underlined word in the following sentences. Your stories of what happened conflict with each other.

Choose the word that has a different stress pattern from the other three by circling A, B, C, or D. A. quiet B. party C. special D. today

Circle the correct answer. You may/have to/should drive on the left in Britain.

Rewrite the second sentence in the passive voice. We must do the work today. The work.....................today.

Rewrite the sentences in the passive voice form. We can solve the problem.