More and more people like shopping online. They mostly receive what we buy by_______.
—Please________the tap if you don’t use water.—OK.It’s a way of saving energy.
Though he is________at home,he doesn’t feel________for he has many things to do.A.alone;lonelyB.lonely;aloneC.alone;alone
(河南)—Do you climb mountains every day?—Yes,________a little exercise.I’m so out of shape.
When he was a young boy,he________ride a horse.
My teacher made________easier to work out the problem in his way.