do you fly to Japan to see your son?—Once a year.[ ]
Can I use your notebook computer this afternoon? ________ is under repair.— No problem.
Please tell me ______ your study.[ ]
Mr. Wu, please _____ how much time you need to finish your homework.– All right. I’ll make it(做到) at once.
My pen is the same ______ my brother’s, but my pencil case is different ______ his. [ ]