I believe in the （） worth of the individual and in his right to hfe, liberty, and the pursuit of happiness.

1 （） into the dark, sure that I would finally reach the...

单项选择题1 （） into the dark, sure that I would finally reach the hospital.

The first step is to （） your problem and go to work on ...

单项选择题The first step is to （） your problem and go to work on it.

（） all we have learned from space flights, the moon is ...

单项选择题（） all we have learned from space flights, the moon is still a riddle from the distant past.