The best way to explore _______ countryside is on _______foot.
I want to know ___ in our class.
It took them ___ time to finish the challenging task.
—I’m going to Paris next Saturday.—What a ___ . So am I !
___ I know, many thousands of tourists from the mainland have been to Taiwan.
—What do you want do be when you ___?—A writer like Mark Twain.