Help me pls im stupif

Write a sentence for each of the four tenses using the subject artists and the verb create

During editing and proofreading, you do not need to

The voussoirs rest on the centering until the keystone is wedged into place. at that point, the centering can be dismantled. what does the word dismantled mean? a. to take apart b. to put together c. to cover d. to lift up