So far we have done a lot to build a low-carbon economy, but it is __________ ideal. We have to work still harder.
You should change the way ______ you speak to your parents.
The students are doing _______ important task; they share _____ common goal , that is, to be admitted into the famous universities.
I know Tom didn’t take money with him; _______,he would have lent it to me
________her sleeping baby in the arms, the scene was very happy.
_____ from the top of the tower, the east foot of the mountain is a sea of rape flowers.