动词的时态和语态练习题( )1.（2016年黔南）The winter holiday is coming, so the twins as well as Alex _ to Sanya for vacation. A. go B. goes C. are going D. is going( )2.（2016 年黄石）Many scientists believe that robots _ able to talk like humans in 50 years.Awere Bare Cwill be Dhave been( )3（2016年黄石）This museum _ here for over 80 years. It _ one of the oldest buildings in this city.Ais; was Bhad been; is Cwas; has
