Listen to a conversation and complete the following sentences with what you hear. 词汇补充: demanding adj. 要求高的 colleague n. 同事 open-minded adj. 开明的 complain v. 抱怨 What do you know about Jason? He is 1) __________ with his work as usual. He works in one of the world’s 2) __________ companies, which is quite demanding. He’s been working in this company for 3)__________ years. He gets a lot of 4) __________ at work.