-----Each of the students in No.1 Middle School hard at his or her lessons, to go to university some day. ------So do I .
My aunt’s hens have ___ many eggs recently.
Einstein got __letters from the people all over the word.
oh, Mary , there is only one apple left.Let me cut it ___ halves.
We must show concern ___ each other.
---Peter, you set down the result of the experiment, ___________? ---Oh, yes, but I need to find my pen first.