It’s quite normal to___ ten percent of the cost of a building for a period of six months or so, in case faults are found in it.
| A．keep up | B． keep away | C．keep off | D．keep back |
He isn’t very successful ________a singer but he is quite known ________his music.
| A．for;as | B．as;to | C．as;for | D．for;to |
Twenty-four is an age fit to get married________.
| A．at | B．with | C．to | D．/ |
Rose was wild with joy ________the result of the examination.
| A．to | B．at | C．by | D．as |
I wonder if she______us,but I think if she______us we will be able to complete the task ahead of time.
| A．helps;helps | B．will help;has helped |
| C．helps;will help | D．will help;helps |
—I heard Charlotte had been drowned in the lake.
—Really！Her boat turned______,and ______she couldn’t swim.
| A．down;fortunately | B．up;unfortunate |
| C．over;unfortunately | D．down;unfortunately |