The experiment has____ the possibility of the existence of any life on that planet, but it does notmean there is no life on other planets.[ ]

The terrorists（恐怖分子）in Xinjiang ______ last month.

Have you________ Betty yet?— Not really. She won’t forgive me for having told her lies. [ ]

28．The university with two____campuses hasa student population of 50,000 in total．

_______ Hobo _______ e-dog — Yes, it is.