–Is there an express to Beijing tonight? -- There ______be , but you’d better call the booking office to make sure.’
Here’s my card. Let’s keep in_____.
We have worked out the plan and now we must put it into___.
Three-fourths of the surface of the earth___sea.
If these trousers are too big, buy a smaller___.
—— Did you find your pen this afternoon? —— No, I didn’t find_____, but I’ve bought_____.