These examples, once ___ to his article, will make it sound more reasonable and acceptable [ ]

The conflict between Gadhafi’s governmentarmy and the rebels in Libya made ______ difficult for the foreigners to leavethe country.

Sir, you ______be sitting in this waiting-room. It is for women and children only.

Why did you go back to the shop?—–I left my friend______there

_____ there was no conclusive evidence, most people thought he was guilty