With a lot of homework _________, Tom didn’t go to the movies with his father.

Will was lying on the grass, _______the sky thick with stars.

With his eyes ________ the work attentively, he didn’t know what was happening outside.

With so many orphans ________，the charity organization calls for more donations.

Many strange new means of transport have been developed in our century, the strangest of _____ being perhaps the hovercraft(气垫船).