You can’t imagine ______ when they received these nice Christmas presents.
| A．how they were excited | B．how excited they were |
| C．how excited were they | D．they were how excited |
—Li Feng won the first prize in the national English competition.
—Oh，really？I’m glad that her efforts at last________.
| A．worked out | B．got back | C．paid off | D．turned out |
She owes her success________good luck more than ________ability.
| A．to；and | B．of；to | C．to；to | D．to；in |
Who do you think is the right person to ______the task?
| A．undergo | B．undertake | C．understand | D．underline |
While traveling in Sichuan，you can’t miss________people call “The National Treasure”—Giant Panda.
| A．that | B．it | C．what | D．which |
—You see，I’m poor in maths，you are not good at English，and...
—That’s________we should help each other.
| A．when | B．where | C．how | D．what |