been working hard day and night,which, of course,__ histiredness.

I usually go to school ____ bike, but sometimes ______ foot.

_have been Tom that parked the car here, as he is the only one with a car.

I wonder people could grow plants on Mars.

下列句子中加点词的解释，全都正确的一组是（ ）①审容膝之易安 审：明白②以手抚膺坐长叹 坐：坐下③我欲因之梦吴越 因：因为④脱然有怀，求之靡途 靡：没有⑤径须沽取对君酌 取：不译，表动作的进行⑥青泥何盘盘 何：为什么