You can hardly imagine the difficulty the woman had________ her children.

Can you say something about Wenchuan earthquake (汶川地震)?—___________ people lost their lives in it.

I spent the whole day repairing the car. The work was______ easy.

You will want two trees about ten feet apart, from ______ to suspend your tent.

Sally, could you go and help your father wash the car?—Why ____________? I’m busy now. Amy is lying on the grass doing nothing.