Most experts agree that washing hands regularly is a ______way to prevent the spread of many diseases.

It ___________ to him that he had an important conference to attend the next morning.

_______terrible weather we’ve been having these days！

I don’t mind picking up your things from the store. _____, the walk will do me good.

She haswaited for the guest for two hours and reached the ________ of her patience.A. limit B.topC.pointD. need