The frozen waterfall has attracted floods of tourists to ____ the natural beauty.
| A．cherish | B．admire | C．observe | D．discover |
I searched for my wallet and it wasn't there. At first, I thought I _______ it at home. Then I remembered _______ it out to pay for the taxi.
| A．must have left；to take | B．may leave；taking |
| C．might leave； to take | D．could have left；taking |
The thief drove as fast as he could to escape ________ by the police.
| A．to be caught | B．he caught | C．being caught | D．catching |
We’ d better try to the plan again, I think, before we with it.
| A．go through/ go on | B．go on/ go over |
| C．go over/ go through | D．go on/ go through |
Do you have any of what life would be like if we lived on other planets?
| A．plan | B．idea | C．impression | D．imagination |
His behavior at the party last night seemed rather . Many of us were quite surprised.
| A．out of practice | B．out of place | C．out of politeness | D．out of pity |