29. New ways _____ to prevent the river _____.
| A．have found out, from polluting |
| B．have found, from being polluted |
| C．have been found out, from being polluted |
| D．have been found, from being polluted |
Little Johnny felt the bag，curious to know what it ______.
| A．collected | B．contained | C．loaded | D．saved |
He is dishonest，so I really can't ______ what he says to what he does.
| A．promote | B．relate | C．translate | D．surprise |
They considered the plan in all its ______.
| A．appearances | B．aspects | C．prospect | D．suspect |
Niagara Falls is a great tourist ______，drawing millions of visitors every year.
| A．attention | B．attraction |
| C．appointment | D．arrangement |
You have been sitting on my hat and now it is badly out of______.
| A．date | B．shape | C．order | D．balance |