44.The boy was seen ______ the piano at 9 yesterday evening.

44.The boy was seen ______ the piano at 9 yesterday evening. The boy was seen _ the piano at 9 yesterday.A.to play B.play The boy was heard ___ the piano at 8 yesterday evening. Yesterday evening I was playing the piano when the doorbell Mike was ( piaying the piano) at four thiry yesterday aftern The robbery was happening at five o'clock yesterday evening. The boy was seen to run by me yesterday为什么加to —The boy was made ______ at an early age Mary played the piano at home yesterday morning.(对yesterday The boy was seen ______(play)basketball.Is it filled with "p it was at 8 o' clock yesterday evening _____ the electricity The missing boy was last seen ____ near the river.