Tom __________ into the house when no one __________.
We should know that we can only reach the top if we are ready to _________ and learn from failure.
In order to improve your English, you’d better ____________ the important points in your notebook in class.
While intelligent people can often ______ the complex, a fool is more likely to make the simple more difficult.
We have made up our minds that we’ll go to Wales for our summer vacation, but we still have not ___________________ when we’re going.
Not having a good ________ of English can be a serious disadvantage to achieving your goals.