It is (necessity) ________ that you should take good care of her.
查看答案
The matter is still under (negotiate) ________.
I can't study because that music is getting on my (nerve) ________.
He finds it is difficult to be (object) ________ all the time.
He (obtain) ________ a good result in the test yesterday.
微信支付 
支付宝支付