_______ many times, he finally understood it.
A Told B Telling C To told D Having been told
you eat the correct foods be able to keep fit and stay healthy.
| A．Only if ; will you | B．Only if ; you will | C．Unless; will you | D．Unless ; can you |
kinds of animals in the world died out proved true.
| A．All ; has | B．When some ; have | C．While all ; have | D．That some ; has |
I’m quite sure everything will go well .
| A．as planned | B．as being planned | C．which planned | D．which being planned |
French believe French is most beautiful language in the world.
| A．/ ;/ ; a | B．The; /; the | C．/; the; a | D．/; the; the |
People try to avoid public transportation delays by using their own cars, and this ____ creates further problems.
| A．in turn | B．on contrary | C．in return | D．by turns |