【推荐2】My duty was to ________ the subject.
我的责任是让我们四个人研究这个主题。

【推荐1】He explained our basic task, the tractor fired up and we were off, riding down the field ________(寻找喷洒化学品的杂草). (根据汉语提示完成句子)

【推荐2】接下来的两个乐章，充满了绝望的低声部和激越的高声部，或许分别反映了作曲家的痛苦和与之抗争的坚强意志。
The next two movements are full of desperate lows and uplifting highs which perhaps reflect both his suffering and his________ ________ ________ fight it.

【推荐2】它的形状像一朵莲花，漂浮在海滨长廊上，四周被水环绕。
Shaped to resemble a lotus flower, it   _______ _______ _______   above the waterfront promenade and the water that surrounds it.