The reason _____ he was late for the meeting was ____ he was held up by traffic jam during rush hours.

You said boys were cleverer than girls. That is _____ I disagree.

  I am afraid he's more of a talker than a doer, which is ________ he never finishes anything.(2011·山东)

Part of the reason Charles Dickens loved his own novel, David Copperfield, was ________ it was rather closely modeled on his own life.(2010·北京)

  He didn't go by bike with me.That's ________ there was something wrong with his bike.

_____ I cannot understand is _____ she wants to resign her present job.

---Tell me something about your adventure in the rainforest, please.---We lost our way in the forest and ___ made matters worse was ___ night began to fall.

 I am afraid he’s more of a talker than a doer, which is ______ he never finishes anything.

（2014年福州市高三适应性练习）33.— Your sneeze tells me you may have a flu.— No. It’s just __________ I can’t stand the smell of the paint here.

(2014·安徽马鞍山两校第二次联考)China is developing fast.That’s________I think those of my colleagues who deal with China affairs should visit China.

(2014·辽宁大连高三双基测试)—When choosing furniture，you only focus on function while I think more about the design.—That’s________we differ.

—The two people speak different languages and can not communicate with each other well.—Oh，I see. That’s ________ misunderstanding occurs.

________ seems strange to us is ________ the troublesome boy is getting along well with all his teachers.

        others think about you isn’t important. The key is        you should be self confident.

Courage is a kind of quality --- and that’s __________it takes to face the challenges in life. 

—The two people speak different languages and can not communicate with each other well.—Oh，I see.That’s ________ misunderstanding occurs. 

 What some people don't realize is ________ difficult life can be after they get addicted to drugs.

The reform has changed the whole nation. It cannot remain ________ it used to be.

Good food, good sleep, no exercise. That's ________ he gained weight.

One advantage of owing your own car is ________ you can go anywhere at any time you like.