1.idon'tthinkthatthenecklaceismadeofdiamond,_____?反意疑问句
2.thelibrary____at8:30pm,butifwegoinahurrywecanmadeit.用close的正确形式填空
3.pleasegiveussomeadvice______youthinkishelpfulforourcompanya不填b.thatc.whichd.as