When you stand on the top of the mountain and overlook the surrounding scenery, you will find it is ______ to climb it up with effort.

Lucy ________ guitar lessons every three weeks in the past three years, but now she is considering she’ll make it every other week

She told us what she bought yesterday ________ a fewapples and some clothing

John, come over and enjoy my new car! It isn’t fashionable, isn’t it? —— Wonderful! If only I_______one, too.

You needn’t take an umbrella. It isn’t going to rain.—-Well, I don’t know. It_____do.