Where’s your father?－He ______ Beijing. He won’t be back ______ next week.

have you been studying in this school?-Since two years ago.[ ]

Wood is often made ___ paper.[ ]

What about _____ English-Chinese dictionary on the bookshelf?—In my opinion, it’s _____ useful tool book for my English learning.

He had to retire (退休) early _______ poor health.[ ]