Teachers should ___them to continue studying when some students want to give it up.
| A．encourage | B．keep | C．prevent | D．make |
– Which of these two English books will you borrow?
– I’ll borrowof them. Because they are very interesting.
| A．either | B．all | C．neither | D．both |
Can you see ninein the picture?
| A．sheep | B．dog | C．pig | D．horse |
No one knows how the huge rocksand ___ without our modern machines eight hundred years ago.
| A．are cut; moved | B．were cut; move |
| C．are cut; moving | D．were cut; moved |
—Susan’s parents have bought a large house with a swimming pool.
—It be very expensive.
| A．must | B．can | C．mustn’t | D．can’t、 |
This picture is quite old, we can still see it was drawn in century.
| A．sixteen | B．the sixteen | C．sixteenth | D．the sixteenth |