The shop-assistant was straight with his customers. If an article was of _____ quality, he'd tell them so.
Eating too much fat can_____ heart disease and cause high blood pressure.
I think it is you rather than the student who____ for being late for the speech.
The teacher was _____in thoughs when I came to see him.
______, he couldn’t get the door open.
I don’t believe_____: he said he had finished his homework by himself.