Question

【题目】This team has ________ (spend) about five years designing this app and they won't allow themselves to fail.

Answer 1

【答案】spent

【解析】

句意为：这个团队已经花费了大约五年设计这个程序，他们不允许他们自己失败。分析句子结构可知此处为现在完成时，故填spent。