Can you think of an occasion ______ you can use this gesture.
I_______ my homework at nine o'clock last Sunday morning.
The boss _________ company I worked in two years ago has _______ in solving such kind of problem.
She _______ live in North China. As a result, it is difficult for her to _______ the climate here.
Tom’s English is not good, so he devoted all his free time to __________ it.
Who will be ___________ the company when the manager (经理) is out?