By using your eyes you can tell the direction _____ light comes.

Mary, I am very busy these days.Could you please ________ my pet cat?[ ]

He set_________ at about 9 o’clock. [ ]

Our teacher often tells us __________ homework carefully(认真地).

下列各组句子中，加点词语的意思和现代汉语相同的一项是（ ）