So involved with their computers ________ that leaders at summer computer camps often have to force them to break from sports and games．

the children become

become the children

do the children become

had the children become

Faced with challenges, you should believe your courage is ________ makes a difference．

what

that

which

whether

He didn't put the things ________ they belonged, for ________ reason he got his punishment．

which; that

what; this

that; whose

where; which

You may cancel the disk check but it is strongly recommended that you ________．

continue

will continue

do continue

must continue

Reasons for joining a club at school range from making more friends and enriching our social life ________ us busy after school．

to keep

to keeping

kept

keeping

The cost of the things, which are not free, you used in the hotel room will be ________ in your bill．

included

contained

taken

charged

You needn't add any explanation here because the meaning of that word will be ________ very clearly in the next paragraph．

picked out

brought out

brought up

looked up

Studying alone, you are free to choose what to learn and when, ________ you don't need others' agreement．

while

if

though

as

He had to take the medicine three times a day, so as to be ________ the pain in the leg．

far from

away from

apart from

free from

The book is ________ but boring; it is, in fact, rather exciting and fascinating．

anything

nothing

something

all