In the party, the grown-ups had coffee but the children wanted milk __________ coffee[ ]

There are many new central leaders in China now, ________ many once worked in the western provinces.

How I wish I had studied harder when I was in senior school! —If you had，you ________ a university student now.

. — is your brother— A doctor for the children.

I had been working on math for the whole afternoon and the numbersbefore my eyes