No matter where he is, he makes _____a rule to go for a walk before breakfast.[ ]

I’m feeling terrible! I have a bad cold.— ______. You’d better see a doctor at once.

Where did you lose your bicycle?—It was in the playground______I played basketball.

Little ____that we were watching his every move, so he seemed to be going his own way in this business.

.They were __________ to produce carbon,nitrogen,water and other gases