Thousands of Haitians cheered as the Chinese medical team arrived，many of even
cried with joy.
| A．those | B．them | C．whom | D．who |
I looked everywhere in the house ______ a key that had been lost.
| A．in searching for | B．in search of |
| C．to search | D．searching of |
The man is standing _______ his back _______ the fire.
| A．with … to | B．with … against | C．on …for | D．at … of |
I don’t want to _______ money on such books.
| A．cost | B．pay | C．spend | D．take |
He had ______ in finding Mr. Green’s house.
| A．many difficulties | B．many difficulty |
| C．much difficulties | D．much difficulty |
——Who telephoned just now?
——Sorry. I couldn’t ______ the voice.
| A．recognize | B．realize | C．know | D．understand |