使用最合适的时态填空。 “____________________ (you/ ever/ work) in a factory?” “No, never.”
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使用最合适的时态填空。“Is it still raining?” “No, it _____________________(stop).”
使用最合适的时态填空。 We couldn't afford to keep our car, so we ________________ (sell) it.
使用最合适的时态填空。 Jill is an experienced teacher. She ___________________ (teach) for 15 years.
使用最合适的时态填空。There is a hole in the bottom of the boat. A lot of water is coming in through the hole. The boat ____________________ (sink).