ask one's permission ,come up with ,get along with ,make a speech ,fall downstairs
1.He is feeling a little nervous ___ in front of the whole school tomorrow
2.How are you __your new classmates Terry?\
3.The cat ___for several times .But it's strange that nothing is wrong with it
4.No one has ___ a better explanation of why dinosaurs died out
5.Would you mind ___ before you take my dictionary away?