--Was the driving pleasant when you vocationed in Mexico last summer?----No, it ___ for four days when we arrived, so that the roads were very muddy.
I earn 10 dollars ____ hour as ____ supermarket cashier on Saturdays.
The sign reads “In case of ____ fire, break the glass and push ____ red button. ”
Because of ______ high demand for Type AB blood, ______ supplies of it are usually limited.
In _____ preparation for the launching of Shenzhou Ⅶ, scientists need ______ knowledge of weather changes.
Now that Tom hates_______ school, the school becomes_______ prison to him