2. Frank has solved the problem by putting up a notice.
举一反三
- He has not quite solved the problem yet, but he is ______ it. A: making of B: working on C: clearing up D: trying out
- __________, the quality has been improved.( ) A: The problem solves B: The problem solved C: The problem to solve D: The problem solving
- Demonstrate that you are ________ of the problem; never give up before you have solved it.
- be similar to in the hands of be regarded as in pairs expect of1.The problem has been solved ______________________ the police.
- He demanded that the problem () at once. A: would be solved B: is to be solved C: is solved D: be solved