A botanist who speaks and writes English is in closer touch with the scientists in other countries than who doesn’t.
It's much easier to make friendsyou have similar interests.
Before you pay a visit to a place of interest, look in your local librarya book about it.
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 wea table earlier, we couldn’t be standing here in a queue.