It was a nice house, but _______ too small for a family of live.

I don’t mind picking up your things from the store._____, the walk will do me good.

Since Tom ______ downloaded a virus into his computer, hecan not open the file now.

He began to take political science ____ only when he leftschool.

She devoted herself ______ to her research and it earned her agood reputation in her field.

The committee is discussing the problem right now. It will_____ have been solved by the end of next week.

---- Do you think it’s a good idea to make friends with your students? ----        , I do. I think it’s a great idea.  

It was raining heavily. Little Mary felt cold, so she stood ___to her mother.

In the good care of the nurses , the boy is          recovreing from his heart operation .

My uncle’s house in the downtown area is much smaller than ours , but it is twice _______ expensive .

How much _______ she looked without her glasses!

Bill always seems so self-confident, but _____ he’s extremely shy. 

You needn’t have apologized for your absence—       , it’s hardly your fault.

Although modem organic food has become very popular, many people can' t figure out the difference between organic foods and ______ grown foods．

Travelling west, you set your clock ______; travelling east, you set it ahead.

Though having failed several times, Tim, who didn’t give up his dream, _____ made his dream come true.

It is very ______ that she will ring me tonight.

He tried his best to solve the problem, _____ difficult it was.

Parents complain that _____ shown on TV will have bad influence on high  school students’ moral _____.

He speaks English well indeed, but of course not___________a native speaker.