No one explained to me whether was coming or not.

• correct

• incorrect

The part of the structure that has already been built needs to be torn down.

• correct

• incorrect

The girl who she just joined the softball team is a great shortstop.

• correct

• incorrect

I have no idea about when the meeting is supposed to start.

• correct

• incorrect

We have been told that we can leave whenever want.

• correct

• incorrect

The racquet with whom I was playing was too big and too heavy for me.

• correct

• incorrect

I will never understand that he did.

• correct

• incorrect

He was still sick was obvious to the entire medical staff.

• correct

• incorrect

What is most important in this situation it is to finish on time.

• correct

• incorrect

The newspapers that were piled up on the front porch were an indication that the residents had not been home in some time.

• correct

• incorrect