The government must be very _____ about settingpolicies and make no decision until they are quite sure it is the right one.

The thief escaped from prison and passed the days ________ discovery[ ]

－We will play football _________Class 4 tomorrow. －Good luck.

The plane is a flying eye hospital that belongs to amedical charity called _______.

______ the sound on the step, the boy rushed out tosee if his mother had come back.