21. Perseverance is a kind of quality, and that’s ______ it takes to do anything well.
She is not __________ to pass the examination as she doesn’t work hard.
___________ the guide, the reporter entered the house of the farmer who is famous for helping other villagers get rich.
You’d better go there by train. The train ticket is __________the airplane ticket.
—Shall I give you a ride as you live so far away? —Thank you,____________.
The beautiful scenery around the lake __________ him to write this famous poem.