The reference book is of great value. ________ can be enjoyed from it until you have a deep understanding of it, however.
The workers’ appeal for increasing salary is worth ________.
The lecture, ________ at 7:00 pm last night, was followed by a discussion.
Tom, our manager, ________ for America in two days and he has asked me to find out when the earliest plane ________ next Sunday.
I suggest ________, considering the patient’s serious condition.
Miss Liu ________ as an accountant for 4 years in the company, and now she is a general manager of it.