1. The computer is out of (order/lack). Can you fix it? 2. This experiment is not (unique/sudden). Several researchers from Canada have been working on the same issue.
3. The effectiveness of this program is hard to (operate/estimate).
4. Who (discovered/invented) the planet Jupiter?
5. We agree that it is a (vast/complicated) issue. We haven’t found the solution yet.
6. They need the (exact/artificial) and complete text without any misprints.
7. A great (research/science) on family issues was conducted.
8. It is important to (involve/decrease) in the process experts from major groups.
есть фото ??? я посмотрю и скину