girls 40. them like dancing.
| A．A number of , is; the number of |
| B．The number of, is ；A number of |
| C．The number of, are; A number of |
| D．A number of, are; the number of |
Bruce an astronaut last year.
| A．is selected to become | B．was selected to as |
| C．is selected to as | D．was selected to become |
He worked an artist for 10 years.
| A．/ | B．like | C．as | D．about |
Neil Armstrong is the first man .
| A．walk on the moon | B．walk on moon | C．to walk on the moon | D．to walk on moon |
They took rock samples back to Earth for _____study.
| A．farther | B．step by step | C．further | D．far away |
He went into space as _____polit of Gemini 8.
| A．the Command | B．a Command | C．Command | D．Command |