So far we have done a lot to build a low—carbon economy, but it is ____ideal. We have to work still harder.
9. There are many students of Grade Three reading in the reading room, most of _________ with their heads buried in their reference books and notebooks.
8. We believe _________ you have devoted yourself _________ sure to come true.
7. Intelligence does not _________ mean success. You need diligence as well.
6. The factory has to stop working for a day _________ the machines can be cleaned.
5. —Jack, could I use your laptop for a while? —_________. Go ahead, please.