The most delicious cake in the world ____ by Mom. Please wait an hour to enjoy it.[ ]

When will the pop star arrive —-Sometime ________2:30 _____ 3:30.

The movie covers all of Chinese history. It is _________ worth seeing again.

下列对加点词的解释不正确的一项是（　　）

ss so far hasbeen very good , we are sure that theproject will be completed on time