I won’tgive you such help ______ you tell me the truth. It’s beyond my ability.

The little girl ______go to the cinema rather than ______ at home alone that night.

Who is it up ____ decide whether to go or not?

Some researchers believe that there is no doubt ______a cure for AIDS will be found.

id you like the concert lastnight— I enjoyed it very much, but the dancers______ a better job.