He asked who was able to ____ a good solution to this problem.
---I’ll fly to Qingdao for my holiday this weekend. ---Wonderful! _________.
--- Is your father in? --- No, he ______ for three hours.
Metal ______making machines and many other things.
Alice ___________ a young man from China two years ago.
---Is that Jack speaking? ---Sorry, he isn’t in right now. He ______ the cinema with his aunt.