When it comes to second hand cars, one has to be as _________ as possible about the source and the condition of them．

cautious

patient

urgent

casual

He was arrested but was release very soon because of a lack of _________ that he was guilty．

doubt

conclusion

evidence

belief

When a couple falls into a divorce or separation, their child often has to make a big _________ in his or her life．

promise

breakthrough

target

adjustment．

Scientists have created the world's smallest "snowman", _________ about a fifth of the width of a human hair．

measuring

measures

measured

to measure

While studying, fix your mind on what is really important, or you will _________ remembering nothing．

end up

take up

lead to

stick to

According to some studies, EQ is _________ important, if not more important than IQ．

so

very

even

as

How

Why

That

What

The movie was so terrifying that she kept her eyes _________ through most of it．

covering

covered

having covered

being covered

Education is _________ remains when we have forgotten all we have been taught．

whether

how

that

what

Madonna _________ many albums and will probably make many more．

records

recorded

had recorded

has recorded