She brought with her three friends, none of ______ I had ever met before.
—Why are they taking all the equipment away?—With the job , they are leaving.
—Guess what; Yang Yang failed in the maths test .—How it be?She is second to none in maths.
People often make fun of him about his height, which makes great difference in his life.
--Mary, have you got my email? I sent you a birthday card yesterday. ---Oh, really! I haven't ___my mailbox yet.
I haven't settled the problem of I'll go back home during the coming May Day.A which B. what C. whether D. where