【单选题】Some roads were flooded, ____ made the journey more difficult
【单选题】Some roads were flooded and the travelers should avoid ________ on such roads.
【单选题】裸子植物体内长距离运输水分和无机物的结构是
【单选题】Some of the roads were flooded, _______ made our journey more difficult. [ ]
【单选题】Some of the roads were flooded, _______ makes ourjourney difficult.
【单选题】Some roads were closed adn many trucks _____ in the snow.