do nothing but good

do nothing but good do nothing but 用法 can do nothing but do nothing but a good time I can do nothing but do nothing but do there is nothing to do but do/doing用哪个?举例说 there was nothing to do but __ But have 《Nothing》 to do with you Nothing but tears.I can do anyting! but have nothing to do with you She could do nothing but ____(cry) We can do nothing but wait_________