I made them ________ me money back.
[ ]
|
A.give |
B.to give |
C.gave |
D.would give |
Some inventions ________ the world already.
[ ]
| A.are changing | B.have changed |
| C.were changing | D.has changed |
He saw a man ________ along by the river.
[ ]
|
A.walk |
B.to walk |
C.walking |
D.walks |