— Is it convenient if I call you up at 9 tomorrow morning?— I am afraid not. I _____ a group of visiting teachers then.
From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
--- You needn't take an umbrella. It isn't going to rain.
--- Well, I don't know. Itdo.
If we a table earlier, we couldn’t be standing here in a queue.
Experts believepeople can waste less food by shopping only when it is necessary.
--- So what is the procedure?--- All the applicants before a final decision is made by the authority.