Instruction:Replace the underline word.
1. obstacle
2. worry
3. disaster
4. problem
5. None of them
1. who was chosen
2. whom was chosen
3. who were chosen
4. that was chosen
1. my stified
2. In disagreement
3. against
4. in disarray
1. To get the positive result
2. To get positive result
3. To obtain the positive result
4. for the positive result
1. just in case
2. in spite of everything
3. just as much
4. regardless