根据句意，用括号内所给动词的适当形式填空。（必要时加助动词或情态动词）
小题1:My father is very busy.  He             (go) to work early every morning.
小题2:Doctors often tell us               ( drink) more water every day.
小题3:--Where is Jim now?
--He             (water) some flowers in the garden.
小题4:Chinese writing brushes _________________ (make) of bamboo and animal’s hair.
小题5:—What’s your plan for the coming holiday?
—I _________________ (visit) Beijing if possible.
小题6:The naughty boy _________________ (play) computer games when his mother came in.
小题7:Mr. Green is an engineer. He _________________ (work) in China for about two years.
小题8:He stopped _________________ (speak) and there was not a sound in the room.
小题9:The medicine _________________ (keep) away from children.
小题10:Jack _________________ (begin) to write a book about his journey two weeks ago.