Theremightbeamassiveblackholeatthecenterofourgalaxy______(swallow)upstarsataveryrapidrate.
正确答案:swallowing[解析]存在be动词,又非被动,所以用-ing形式Therebe+v-ing。

Theremightbeamassiveblackholeatthecenterofourgalaxy______(swallow)upstarsataveryrapidrate.
正确答案:上一篇 为人民服务的人生观是科学的人生观。科学的人生观指导人们( ) A.选择正确的做人标准 B.坚
下一篇 These future robots,______with a sense of touch and the ability to see and make decisions.