They consider ____ the problem should be solved at once

They consider ____ the problem should be solved at once The professor suggested the problem referred to be solved at They have had the problem solved. they have had the problem solved 英语提问句（疑问句）what is the problem do you think should be solved in the end they solved the problem [ ] [ ],they solved the p It is necessary that the problem be settled at once. They finally thought ______ a plan and solved the problem. The problem __________, they went home. being solved B. has This is( )they solved the problem in hte cityAthatBhowCwhen they should do the work at once改被动语态 they should do it.at once