_______ you have got such a good chance, you’d better make full use of it.

The reason ____ he was late for school was _____he had to send his mother to a hospital.

_______ I’m not sure of winning the match, I will have a try anyway.

Doris’ success lies in the fact _______she is co-operative and eager to learn from others.

It suddenly occurred to me        I hadn’t locked my door．

We need some more facts and figures ______ we make the final decision.  

     the players didn’t have a good rest shouldn’t be all excuse for losing the game．

Some of my workmates prefer to send to our QQ group ______ news they got.

It was early morning in London _____ Prime Minister Cameron arrived to give his speech.

It is uncertain      side effect the medicine will bring about , though about one thousand patients have taken it.