问题
I’m not sure _____________________________.
A:that which method I should use to solve the problem.
B:which method should I use to solve the problem.
C:that which method to solve the problem.
D:which method to use to solve the problem.;
B:which method should I use to solve the problem.
C:that which method to solve the problem.
D:which method to use to solve the problem.;
正确答案是：
同类题型
Mr. Smith was so angry at all _____ Billwas doing ______ he left.
Ben was helping his mother when the rain began to beat heavily ________ the windows.
I had ______ interesting experience on Sunday.
________ your son is well again, you no longer have anything to worry about
The serious earthquake ________ many deaths of people in Haiti.