We offered these students a summer course , aimed _____ improving their spoken English.
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.
It’s time that I ________ my hair cut. It’s the eighth time that I ________ to the barber’s shop.