The hospital has a new system to help ______ the best service _______ the patients.
---Why didn’t you go to yesterday’s meeting?---I would have but I ______ too busy working on the important experiment.
According to the rules, students must not ____ their books during examinations.
The summer is already here, and it _____ to be a most severe one.
The bad weather meant__________ the rocket launch(发射)for 48 hours,.
You can enjoy __________ the full the drama performed by the famous actor. It is a real ____.