开车去机场要花足足45分钟。

The drive to the airport takes ___a ___good 45 minutes.

这个项目需要足足三个月才能完成。

The project required ___a ___good three months to complete.

我们等了足足20分钟公交车才来。

We waited for ___a ___good 20 minutes before the bus arrived.