Lily was busy _______ ready for the examand was made ______ in her room thewhole afternoon.

Sometimes tests are needed _________ doctors discover exactly what’s wrong with your body.

Could you tell me _______in your hometown in winter— Sure.

Mary couldn’t go to the cinema with usbecause she had to _____ her little brother.

okesman did not give out the detailsof the message, saying, “it should not be made public as it is a ______ issue”．