______from space, the earth with water _______70% of its surface looks like a “blue blanket”.
When we saw the road ______ with snow, we decided to spend the holiday at home.
He wrote a letter ______ he explained what had happened in the accident.
—Alice is in hospital. —Oh, really? I didn’t know, I _________go and visit her.
—What kind of dancing do you like? —_______. If it's rock music I'll do disco, and if it's romantic music I'll do ballet.
It may not be a great suggestion. But before ______one is put forward, we’ll make do with it.