【正文】
here they go ___not been decided yet. When and where the meeting will begin ___not been decided. has have has 賓語從句中主句和從句的時態(tài)保持一致,但如果從句中表示提示的是客觀現(xiàn)象,雖然主句是過去時態(tài),從句仍用一般現(xiàn)在時 。如: The teacher told us that light travels at a very high speed. 名詞性從句在句中要用陳述句語序 。如: He asked me where we should meet. doubt ? 肯定句中 doubt后跟 if/whether,否定句中doubt后面跟 that. sb. doubts if/whether….. sb. doesn’t doubt that ……. There is no doubt that ……. There is no doubt that he will win the game.