I _____ his telephone numberHad I known it, I would have rung him up

Hard work and lack of sleep has ______ her beauty and youth in recent years.

I’m so glad you’ve come here to ______this matter in person.

The environmentalists said wild goats’______ on the vast grasslands was a goodindication of the better environment.

I have__________ classes this morning. The ___________ class is English.