�. ________ his failure lies is expected ________ clear to us.

. It is pretty well understood ________ controls the flow of carbon dioxide in and out the atmosphere today.

主从复合句
名词性从句：主语、表语、宾语与同位语从句及其连接代词、连词与副词
. It didn’t surprise us at all ________ he was post to Hong Kong.

强调、倒装与省略（句）
. It was ________ he studied that he managed to receive a doctor’s degree.

. ________ different life today is from what was  years ago!

34.  ________ is often the case, we have worked out the production plan.

29. ________I accept that he is not perfect, I do actually like the person.

26．It was the training _______ he had at school _______  made him good jumper．

33．It will be some time________we know the full results．

29．What troubles her is that she can’t buy_____she wants with the money she earns．