__________ you understand the rule, you will have no further difficulty.
| A．While | B．Once | C．Though | D．Unless |
She doesn’t have a natural gift for painting, but shefor it with hard work.
| A．shows up | B．puts up |
| C．makes up | D．picks up |
—Bad luck! Ithe sidewalk when an Audi cut in and knocked me down.
—You can never be too careful!
| A．crossed | B．have crossed |
| C．was crossing | D．had been crossing |
To play better, all the players have to know theirand weaknesses.
| A．techniques | B．strengths |
| C．benefits | D．values |
African chicken is a dish that many tourists order in that restaurant, butI usually avoid because my first experience with it was not pleasant.
| A．it | B．that | C．each | D．one |
—Do you know eggs are traditionally sold bydozen in this country?
—Yes. And in some bookstores, the second-hand books are sold byweight.
| A．不填; 不填 | B．the; the |
| C．the; 不填 | D．不填; the |