下面四个话语情境中，加点词语使用得体的一项是（ ）

_________do you have PE lessons–Three times a week.

_________does Millie go to the Reading Club —Twice a week.

We had a picnic last term and it was a lot offun, so let’s have_______ one this month.

Saving and recycling are long-term projects _______ determination matters a great deal.