___ from space, the earth with water ___70％ of its surface looks like a "blue blanket".
| A．Seen ;covered | B．Being seen; covers |
| C．Seeing; covering | D．Seen; covering |
With so many tress and flowers _____ about, our school campus looks like a beautiful garden.
| A．planted | B．to be planted | C．planting | D．being planted |
．_____ you told me, I heard nothing of what had happened.
| A．Unless | B．Until | C．After | D．When |
Children sometimes find it hard to _____ their parents’ expectations.
| A．come up with | B．live up to | C．make up for | D．close up to |
．― The fishermen should have been warned of bad weather.
― _____, but they didn’t listen to it.
A．So were they B．So should they C．Yes, they were D Yes, they should.
The police were seeking more information to find out _____ the rich merchant.
| A．who was it that killed | B．who it was that killed |
| C．it was who killed | D．who was it killed |