用方框内所给词填空，注意使用正确形式。

knife,   that,   grade,   but,   look

小题1:Tom and Jim are in the same school, but in different ____________.
小题2:—Does she ____________ like her mother?
—Yes, she does.
小题3:________ oranges are in the box.
小题4:I have two ____________, and they are in my box.
小题5:They are sisters, ________ they look different.