When he was 10 years old,he------on the stage for the first

performed 表演
再问： 谢了,再问一个:When she smiled at him, his face flush______red
再答： into ?
再问： A clear B strong C bright D weak
再答： C
再问： 我在做新概念2的题,我才小学,所以有些不会. ________beling very old , she is still very graceful A although B in spite C ever D even though
再答： A 尽管
再问： 谢了