Sophie dreams of walking in __________ outer space like __________ astronaut one day.
| A．/; the | B．/; an | C．an; an | D．a; an |
—Where is my blue shirt?
— It’s in the washing machine. You have to wear ____ different one.
| A．any | B．the | C．a | D．other |
There’s ____ dictionary on ____ desk by your side.
| A．a; the | B．a; a | C．the; a | D．the; the |
I earn 10 dollars ____ hour as ____ supermarket cashier on Saturdays.
| A．a; an | B．the; a | C．an; a | D．an; the |
The sign reads “In case of ____ fire, break the glass and push ____ red button. ”
| A．不填；a | B．不填；the | C．the; the | D．a; a |
Because of ______ high demand for Type AB blood, ______ supplies of it are usually limited.
| A．the; the | B．不填; 不填 | C．不填; the | D．a; the |