It is easy for people to ________ the bad habits such as smoking and drinking, which are not so easy to get rid of.
________ hard he tried, he could not change his wife’s mind.
------I don’t know why he has made such a silly mistake in the exam. ------ He ____________ it before he handed in the paper.
Read the passage a second time, ___________ the meaning won’t become clearer to you.
When she finished her story, none of us said anything about it, which made her feel rather ________.
E-mail, as well as phone calls, _____________ an important part in daily communication.