I’m going to the States for further study. —How long ____ you ___there?

Kate, I don’t think we can go to the Palace Museum by bike on time. —You mean it’s _______ for us to take a taxi there?

How delicious the coffee is!—That’s right. It will taste ______ with milk.

I think math is not ________ science.

The young man _________ on his back _________ his eyes half-closed.