What do you mean, there are only ten tickets? There ______ be twelve.
—— 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._________
The best thing to do is to limit yourself to 1,000 calories a day to try to _____