________it is hoped that college students should be equipped with the ability to take a good set of notes, this is not always the case.
不守时是她的典型特征 Keeping others waiting ___ her.
AIDS control and prevention is a ___ to China as well as the whole world.
The fresh air on the farm ___ him ___ his headache.
Once ___ light, the film will be damaged and get useless.
The patient has been ___ by nurses night and day since the operation.