68 It was at four o’clock in the afternoon ____ he and his grandpa reached the museum in Guanghan

Today our knowledge of food and what it does for our bodies is far more ________ than that of the old times. [ ]

the repairs finished yet––Yes, they ______ when I came back home.

依次填入下面一段文字横线处的语句，衔接最恰当的一组是（ ）林冲道：“这屋如何过得一冬待雪晴了，去城中唤个泥水匠来修理。”向了一回火，觉得身上寒冷，寻思“却才老军所说，二里路外有那市井，何不去沽些酒来吃”__________，____________，___________，____________，_____________，__________。①便去包裹里取些碎银子，把花枪挑了酒葫芦，将火炭盖了②带了钥匙，信步投东③取毡笠子戴上，拿了钥匙，出来，把草厅门拽上④那雪正下得紧⑤出到大门首，把两扇草场门反拽上锁了⑥雪地里踏着碎琼乱玉，迤逦背着北风而行

This CD-ROM can help you learn and have fun_____.