Thepastdecadeseenastonishinggrowthofcomputertechnology1.have;an2.has;the3.has;an4.have;不填

Question

The past decade ____ seen ____ astonishing growth of computer technology
1.have ;an
2.has;the
3.has ;an
4.have;不填

Answer 1

2
decade 意思是（一个）十年,但是是单数,用has
句中growth是特指,应加定冠词the