【推荐1】他主动为我们俩付钱，真是大方。
________offer to pay for us both.

【推荐2】他主动为我们俩付钱，真是大方。
______ him ___ offer to pay for us both.

【推荐2】The changes are bound to be_________.
这些变化注定会引起争议。

【推荐3】Standing in the distance, they _____________see misty clouds rising from the great Niagara Falls, which is on the south side of the lake.
她们站在远处眺望，看到湖的南边从尼亚加拉大瀑布上升腾而起的水雾，感到非常震撼。

【推荐2】这部电影如此好，以至于我想再看一遍。
It is_____________________________________________I like to see it a second time.

【推荐3】It has______________________________（如此厚的表层）we can't knock into even a nail. (根据汉语提示完成句子）