It’s generous ________ Millie to donate all her pocket money toUNICEF． ——Yes．It is really meaningful _________ us to do something for charities．A．of；of

They found difficult to finish the work in such a short time.

_Stressful environments lead to unhealthy behaviors such as poor eating habits,which_______increase the risk of heart disease

China Daily is _____a newspaper, it can also help us to improve our English. [ ]

The hotel in Nanchong wasn’t particularlygood. But I ____ in many worse hotels.