Jenny was looking for a seat when, luckily, a man _____and left.

________ excited Geoff Marcy most was ________ there were planets in other solar system where life might exist

animals, ______ their size, breatheonce for every four heartbeats

He works in a factory now, but he on a farm for 20 years

Bob has a billion dollars while Kate has a million, so Kate is ________than Bob.