1 . My teacher recommended us________ (carry) on with the experiment. (所给词的适当形式填空)

2 . We are not likely ____________ (argue) with Jack because he will never change his mind. (所给词的适当形式填空)

3 . Tina has decided _________(go) to Rome for her holidays. (所给词的适当形式填空)

4 . He had no option but ________ (acquire) new skills in order to get a well-paid job. (所给词的适当形式填空)

5 . He is the first person ________(introduce) English literature to our school. (用所给词的适当形式填空)

6 . Susan made it clear to me that she wished _______(make) a new life for herself. （所给词的适当形式填空）

7 . The promotion proved _________(be)a turning point in his career. (所给词的适当形式填空)

8 . These people deserve ________ (work) as a team that is to compete for the championship and have a chance to win races. (所给词的适当形式填空)

9 . Also, they often find it hard ________(develop) new friendship in the new surroundings. （所给词的适当形式填空）

10 . The sharks have evolved __________ (survive) in low-oxygen environments, enabling them to hunt during low tides. (所给词的适当形式填空)