Such a grammar mistake is ______ among the beginners of English study.
I cannot get my son to understand that extra time _______ now will pay off in the future.
____, Mother will wait for him to have dinner together.
I know nothing about the young lady ____ she is from Beijing.
There are still 30 minutes ____, so we ____ hurry with lunch.
Write down what you can’t understand. ___ the speech, there will be a few minutes for questions.