1．He s __pun__ the wheel sharply and made a sharp turn in the middle of the road.
2．It’s a great pleasure to have such __enthusiastic__ (热情的) group participation in our project.
3．My teacher tells us that we should have a p __ositive__ attitude to life and have hope, no matter what happens.
4．(2019·山西大同一中期末考试)They should be more __cautious__ (谨慎的) about the arrangement of such an activity.
5．Scientists watch the moon to get data about its __movements__ (运动)．
6．It’s said that there is a kind of bird, which is the only one that can fly __backward(s)__ (向后地)．
