Come and see me whenever _________．

you are convenient

you will be convenient

it is convenient to you

it will be convenient to you

The teacher doesn’t allow _________ in the exam．

his students to cheat

his student’s cheating

to cheat

his students cheat

Julia’s parents were quarrelling about her _________ she was quite unable to tell why．

unless

in case

until

though

Ann is _________ in English _________ Mike, so he often asks her for advice on English learning．

superior; than

junior; than

junior; to

superior; to

_________ to sunlight too long will do harm to one’s skin．

Exposed

Having exposed

Being exposed

After being exposed

Franklin’s ability to learn from observations and experience _________ greatly to his success in public life．

owed

contributed

attached

related

If you focus too much on the _________ rather than on the quality of your products, you’ll lose your share on the market．

benefit

profit

interest

reward

Russ and Earl were auto mechanics ________ the same pay, but Earl had more ambition．

to earn

to have earned

earning

earned

A good story does not necessarily have to have a happy ending, but the reader must not be left ________．

unsatisfied

unsatisfying

to be unsatisfied

being unsatisfied

There have been several new events ________ to the program for the 2008 Beijing Olympic Games．

add

to add

adding

added