填空题 have look move open receive send start stop try work
填空题 She's ______ to get through to head office all morning.
填空题 We're very busy today. The phone ______ ringing since we started work this morning.
填空题 In 1986 our firm ______ two new factories in South America.
填空题 I ______ working here when I left school.
填空题 Is your secretary still looking for the file? Yes, she ______ for it for the past 20 minutes.
填空题 While you ______ lunch, Mr Casagrande called.
填空题 We the letter to the customer a week ago, but we ______ a reply yet.
填空题 He ______ in New York, but then he ______ to Tokyo.