A study shows that students living in non-smoking dormitories are less likely to ________ the habit of smoking.
If the teaching doesn’t _______ to your students, your students will gradually lose interest in it.
My interest in English ______ September 2009 when I met our present English teacher.
______ you I owe a thousand apologies ______ having doubted your ability.
A good solution to the problem _________at the meeting.
– I’m sorry I stepped on your toe; it was an accident. – It wasn’t! You did it ______.