Please do me a favor — ______ my friend Mr. Smith to Youth Theater at 7:30 tonight.

In many countries more and more forests and even agricultural land are being lost to development, _______ much of the land to become desert. 

Many a student ____ going to have themselves ____ in the hospital.

There are five pairs _______, but I’m at a loss which to choose.

She was supposed ______ at home at the moment, but her mother found her in the park.