问题

I didn’t know this years ago ,but recent science ____that inharmonic marital(婚姻的) life like quarrels or fights harms one’ heart

A:showed
B: is showing
C:has shown
D:shows

正确答案是：

同类题型

He thought the jar made ______ earth ______ little value and let me have it ______ only 5 dollars

, all of us agreed to go there with her.

That’s a nice mobile phone. —It is. My aunt _____ it for my last birthday.

ere any mail—No, ______ at all．

Sorry for what I have said to you.—_______.