The driver was still________what had happened when he was sent to hospital, but after a while he lost________.
30.They ______ be at home. You see, the door is locked from the outside.
29.Our English teacher had us all _______our names on a card.
28.The ______ student standing at the gate speaks very good Chinese.
27.Even at the narrowest of the Pacific, it is about 3,200 km ____________.
26.She ____ the hospital so soon, for she has not yet recovered.