He had just sent an email to his pal on the Internet ________ the system broke down.
You didn’t bother me.________ ,I like your company.
—— I’m sorry the traffic is so heavy. —— Does that _____ why you are so late?
Being a disabled man, he has difficulty ________________
The mother was trembling with anger. She _____ her son and said nothing.
—— Shall I help you with the heavy box? —— Thank you._________