588.(10-11，浙江杭州萧山九中高二上第一次质量检测)I have always regretted　　　 harder at school.

A. not to study　 B. to not study　 C. having not studied　 D. not having studied

587.(10-11，山西省山大附中高二上第一次月考)------ When shall we have a holiday?

------- Oh, forget it. Now there are many things ______ in the company.

A. remained to solve　　 B. remaining to be solved　 C. remaining to solve 　D. remained to be solved

586.(10-11，山西省山大附中高二上第一次月考)On his way home, he found a wallet ___ on the ground, which he picked up and ____ in his schoolbag.

A. lying, laid　　　 B. laying, laid　　　 C. laid, lay　　　　　 D. lain, lay

585.(10-11，山西省山大附中高二上第一次月考)_____ so delicious, the food in the market was sold out soon.

A. Tasting　 　　　B. tasted　　　　　 C. Having been tasted　　 D. Being tasted

584.(10-11，山东济南外国语学校高二第一次质量检测)　 Professor Black has been working in the forest for years, ________ to the research of wild plants and animals.

A. devoted 　　 B. devoting　　　 C. to devote　　　 D. and devote

583.(10-11，山东济南外国语学校高二第一次质量检测)　　　　　 abroad for a tour can be a great honor for an ordinary person like me.

A. Taking 　　 B. Taken 　　　 C. Being taken 　　 D. Having been taken

582.(10-11，山东济南外国语学校高二第一次质量检测)John did quite well in his exams,　　　　 how little he studied.

A. consider 　 B. considering 　　　 C. considered 　　　 D. to consider

581.(10-11，辽宁沈阳二中高二上10月月考)China is a country __________ 56 different nationalities, among which Han ________ the majority of its population.

A. making up of; consists of　 　　B. consisting of; makes up　

C. made up of; consisting of　 　　　D. consisted of; making up of

580.(10-11，辽宁沈阳二中高二上10月月考)At Cannes Film Festival, we noticed Fan Bingbing _________ a beautiful evening dress of imperial robe as she entered the hall.

A. dressed　　　　　　　　　　 B. dressing　　　　　　 C. wearing　　　　　　　　　　 D. worn

579.(10-11，辽宁大连23中高二第一次月考)Knowing office rules - whether _______ or not-is critical, particular for young job seekers.

A. written　　　 B. writing　　 C. being written　 D. having been written