I am so hot. Can I sit _______ the window? [ ]

In peace, too, the Red Cross is expected to send help ________ there is human suffering.

I phoned you at six yesterday afternoon, but nobody answered.—-I _______ a walk with my parents near the river.

Mike does his exercises ____ seven _____ the evening.[ ]

.You can choose ________ book you like among these on the table.