题目内容：

so far, thanks to, look for, in search of, look forward to

1. I am __________ seeing Frank again.

2.We have done most of the work __________.

3.__________ my math teacher, I passed the math test easily.

4.They arrived at the island __________ the unknown plant.

5.A mother crocodile (����) was __________ food near the seaside.