1 . 从方框中选出合适的词填空。

ready, important, meaning, problem, mistake

1. —Do you know the ________ of this word?
—I don’t know. I can look it up in the dictionary.
2. This math ________ is too hard for me. Please help me work it out.
3. Tom is very careful about his homework and he doesn’t make any ________.
4. It’s ________ to practise speaking English every day.
5. Now we are ________ for our new life.