问题
选择题
I need one more stamp before my collection ______.
A．had completed
B．completes
C．has been completed
D．is completed
答案
答案：D
主句是将来时态（包括含有情态动词），时间或条件状语从句中用现在时态。
搜题请搜索小程序“爱下问搜题”
I need one more stamp before my collection ______.
A．had completed
B．completes
C．has been completed
D．is completed
答案：D
主句是将来时态（包括含有情态动词），时间或条件状语从句中用现在时态。