be concentrate on.be peroccupied with .focus on.都一样吗.
be concentrate on.be peroccupied with .focus on.都一样吗.
是be focus on 还是focus on
focus on还是be focus on
是focus on还是be focused on
concentrate more on 与concentrate much on 都可以吗
"with focus on" 可以这么用吗?
concentrate on
用"be familiar to""centre on/upon""concentrate on "造句.
focus...on...和focus on.都可以吧
选择恰当的词组并用其正确形式填空 stay up,concentrate on,be
求帮改雅思作文Schools should concentrate on subjects thatwill be us
be absorbed in 后可以加doing sth.还有focus one's attention on ,on后