—How much did the guy _____ you to fix your 3G mobile phone?
— Idon't remember, but it was quite a lot．
| A．cost | B．spend | C．charge | D．take |
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 |
In _____ preparation for the launching of Shenzhou Ⅶ, scientists need ______ knowledge of weather changes.
| A．the; the | B．a; ∕ | C．∕; a | D．the; a |
Now that Tom hates_______ school, the school becomes_______ prison to him
| A．a；a | B．/；a | C．a；/ | D．/；/ |