【推荐1】It is the first time that a wild panda ________ (spot) in this area. (所给词的适当形式填空)

【推荐2】About a month ago, I was sailing, and towards night I found myself carried out to sea by a strong wind. The next morning I ________ (spot) by a ship. (所给词的适当形式填空)

【推荐3】They stayed at several of the island’s top tourist __________ (spot). (所给词的适当形式填空)

【推荐1】Though ________ (attack) with cancer, he still keeps optimistic. (所给词的适当形式填空)

【推荐2】Though ________ (tire), they went on working. (所给词的适当形式填空)

【推荐3】When ________ (cross) the road, the children are required to stop to look around and walk hand in hand. (所给词的适当形式填空)