We must note that many people ____ the knowledge of first aid. [ ]

_______ he said is true

My friend Martin was very sick with a strange fever; _______, he could neither eat nor sleep [ ]

There is somebody at the door. ________it be Tom— No, it _______ be him. It’s just sixo’clock. It’s too early.

Life is more than merely trying to achieve thestandards of society but trying to be a good person ______ one’s own standards