Ex.1 Choose the proper form: 1). You must not (take, be taken) photographs in here. 2). Photographs must not (take, be taken) in here. 3). She must not (bring, be brought) the dog to her room. 4). Carbon dioxide must (pass, be passed) out of the cells. 5). The left ventricle must (pump, be pumped) the blood with great force.

Kirill20061337    2   19.01.2021 12:47    1