The game requiresus to find out two [simple] but effective ways to solve this problem.

[单选题]The game requiresus to find out two [simple] but effective ways to solve th

[单选题]The game requiresus to find out two [simple] but effective ways to solve th

[单选题]There are[various] ways of solving the problem.A.variedB.changedC.different

[单选题]The harder Itried, _____ it seemed to solve that math problem.A.the impossi

[单选题]The harder Itried, _____it seemed to solve that math problem.A.the impossib

It is clever ______ you ______ out the problem.A. for; to workB. of; workingC. f

Watching the TV program on children, I ___ a good idea to solve the problem.A. c

[单选题]I tried hard, but I couldn’t find the _____to the problem.A.solutionB.helpC

If I have a good sleep I"ll be （） to work out the problem.A. possibleB. ableC. c

[单选题]第三部分：词汇与语法Every means______been tried to solve the difficult problem.A.have