【推荐1】We shouldn’t spent our money testing so many people, most of _____are healthy.

【推荐2】The audience, most of ______were college students, enjoyed the concert. (用适当的词填空)

【推荐3】Later, she studied Chinese medicine for many years with experts in the field, from ______ she gained a deep knowledge about traditional practices. (用适当的词填空)

【推荐1】The visitors saw rows of houses the roofs ________ are red.

【推荐2】In our city there are several big public parks ___________which many people can go to enjoy the beautiful scenery. (用适当的词填空)

【推荐3】The lecture ______ ______ he was anxious was given by a professional.(用适当的词填空)