【推荐1】________ (handle) well, trucks of this kind are popular with farmers in rural areas. （所给词的适当形式填空）

【推荐2】Many heroes often go unnoticed, __________ (work) tirelessly behind the scenes. (所给词的适当形式填空)

【推荐3】We sat in the shade,_________________(shelter) from the sun. (所给词的适当形式填空)

【推荐1】What a loud noise! I don’t know ________ those children are up to in the room. (用适当的词填空)

【推荐2】It is worth considering ________ makes “convenience”. (用适当的词填空)

【推荐3】语法填空
（1）What students do at college seems to matter much more than _______ they go.
（2）Jane moved aimlessly down the tree­lined street, not knowing ________ she was heading.
（3）This is ________ there is a saying that if you want something done, ask a busy person to do it.