In our factory there are 2,000 workers, two thirds of ____are women.
Mrs.Smith finds it hard to clear up the mess,as her children are always ________ whenever she tries to.
It will be a big help if you go to the store and get what we need for dinner.________,I’ll set the table.
The Smiths are praised ________ the way they bring up their children.
I have an appointment________Dr.Smith,but I need to change it.
A serious study of physics is impossible________some knowledge of mathematics.