LIWAN1234565955:“Till” is used to mean the time up to a particular instance and the action can continue even after that.
“Until” is used to mean the tim...(2008-02-23 15:34)
LIWAN1234565955:1.SHALL用于第一人称,和原形不定式连用表示将来的动作或状态。
I shall buy a new hat.
我要买一顶新帽子。
2.SHALL表示发言者或主语的意志,包括诺言,决心,强制等。
You shall do it.
你必须做它。
3.SHALL用于询问...(2008-02-23 15:31)