I find myself hopeless in Maths — It is silly of you to

The experiment was not successful.— I suggest you _____ again. [ ]

The news that the scientists in China are trying the ways to reduce the fog and haze was ______ on the radio yesterday.

Energy ______ under the earth must give off in one form or another, for example, an earthquake.[ ]

Have you handed in your school-work yet? —Yes, I haveI guess itnow