1.We do regular checks on our products to make sure that they are of high quality.
2.The search for the missing sailors was abandoned after two days .
3.She had a narrow escape when a lorry crashed into her car.
4.I found it difficult to keep my mind fixed on what they were saying.
5.He has three best-selling novels to his credit.
6.It was only a casual remark so I don't know why he got so angry.
7.I just want a pair of black shoes--nothing fancy.
8.There's no secret to success in English learning.It's just a case of hard word.