How old is your son —____,We want to have a special party for his ____ birthday .

For many cities in the world，there is no room to spread outfurther，________NewYork is an example.

Experiment after experiment, they tried to acquire the _____evidence and ______ data needed to solve the technical problem. [ ]

The novel was so interesting that he readit _____ in a single day

Is that 120 My brother is seriously ill!—Ok. Help is _________ .