a bad week He lost his job,________ ,his car was stolen

He explained to the class what he suggested ____ hisidea ____

Haven’t you heard of a person called Zhang Cunhao—______. He is a famous scientist and won the 2013 Top Science and Technology Award.

Many a student _____ playing games on the playground and only one girl or two _____ reading in the classroom.

How I wish I ____ the mistake! Everybody present was angry with me.