we listen but could hear nothing.could可以去掉吗

we listen but could hear nothing.could可以去掉吗 We-----but could------nothing. He listened but could hear nothing. she could hear(),but he could not see() A nothing,anything B We could do nothing but waiting for him We could do nothing but _____for the concert_____. 6.We could do nothing about it but _______. I_____carefully but could ______ nothing. At the foot of the hill you could hear nothing but the ( )of At the foot of the hill you could hear nothing but the sound At the foot of the hill you could hear nothing but the ____o at the foot of the hill you could hear nothing but the ___of