_____several times，but unfortunately，the boy still couldn’t smooth away the problem on his own.
| A．Having been explained | B．The problem having been explained |
| C．The problem had been explained | D．Although the problem had been explained |
They only say such unkind things about you out of ____ envy, because you are ____ success as a writer.
| A．the; a | B．the; / | C．/; a | D．/; / |
____ the police know the killer's identity, they are getting close to catching him.
| A．Even if | B．Although | C．Now that | D．As long as |
—What strengths and ____ did you find in her?
—She is hardworking but is not good at getting along with others.
| A．courts | B．weaknesses | C．marks | D．loads |
It would usually cost $500, but I’m sure we can ____ some kind of arrangement to save some money.
| A．come to | B．take up | C．agree to | D．make out |
Furthermore, if they like the sound of a method and try it, they may get ____ with it.
| A．sticking | B．to stick | C．being stuck | D．stuck |