问题

In the last decade, disasters have become increasingly common. It’s high time that we ______these issues more seriously.

A:took
B:have taken
C:had taken
D:are taking

正确答案是：

同类题型

He stayed there for quite a long time, during ________ time he learned much spoken English.

He invited me to a dance after the show____ Christmas Eve

This notebook Lucy’s.Look, her name is on the book cover.

_______ in this way can we save nature and animals, which is of great value to human beings

I’m feeling so tired now.—- _________ stop and have a rest