Nancy had A(a great deal of) trouble B(to concentrate on) her work C(because of) the noise D(in) the next room.

admin2012-08-03  36

问题 Nancy had A(a great deal of) trouble B(to concentrate on) her work C(because of) the noise D(in) the next room.

选项

答案B

解析 应改为concentrating on。have trouble doing sth.做……很困难,固定用法。
转载请注明原文地址:https://kaotiyun.com/show/e7JO777K
0

最新回复(0)