Marker of the Atom Tombs: Multiple Choice Grammar Test
Nuclear waste is very difficult to get (1) _______ of, not only because it cannot be stored safely, but also because it (2) _______ dangerous for thousands of years.
Nuclear researchers are currently debating if nuclear waste (3) _______ in tunnels on the sea bed or buried (4) _______ under the ground. In addition, the places where nuclear waste is stored have (5) _______ in some way to prevent people (6) _______ digging into them or simply going too (7) _______ to them. (8) _______ them is, however, no easy task as markers must be able to warn people thousands of years from now of the dangers buried deep in the ground.
After a great (9) _______ of research, markers have been designed which should frighten people (10) _______.
|2||has been remained||remains||remain||is remain|
|3||has best stored||is best storing||best stored||is best stored|
|4||deep||deeply||more deep||more deeply|
|5||to be mark||to be marked||marked||to be marking|
|8||Marked||Marking||Being marked||To be marked|
1.C; 2.B; 3.D; 4.A; 5.B; 6.D; 7.C; 8.B; 9.A; 10.B