Our professor said the course……for three weeks, but it actually lasted for a month.

The new office block should .......... by the spring, so we can move in before the summer break starts.

In which of the following sentences is all PUNCTUATION correct?

We stayed at two hotels. ................................ of them was very comfortable.

Eric: Is this................ car? Matt: No, it's not. My car is over there.

In which sentence is the CAPITALIZATION correct?