I think it’s good _____ us _____ eat healthy food.A. for ; to B. for; for C.to; for
—Could you help me ____ my Chinese? —No problem.
—____ are new here. Let’s help ____. —OK.
—Where does he ____? —He ____ in Shanghai.
Can I________ you some questions ?
---Is this ________ white ruler ? ---No. ________ is yellow.