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3. When I saw him, he _____________ (search) the Inter. 4. They ______________ (discuss) a problem in the meeting room at this time yesterday. 5. ______ Amy ______ (visit) the Science Museum from 9:00 . to 11:00 . yesterday? heard shouts from _____________ (exciting) people. cousin____________ (wait)for me at ten o’ clock yesterday morning. is preparing __________ (go) out next Sunday. wears small round glasses and they make him _______ (look) smart. ’ m afraid it will be ___________ (snow) this afternoon. 三.用 when, while 或 as填空。 sat down, mum came in. was sitting on the sofa, mum came in was reading English____________my father was reading newspaper. was watching TV_______Sandy came into the room. was trying to find my way out, I suddenly heard some noise above me. was making a big snowball___________he fell over. 四 . 單選 ( )1