Since then the number of people taking driving lessons______20%.

admin2014-06-26 71

问题 Since then the number of people taking driving lessons______20%.

选项 A、has increased to
B、increased by
C、has increased by
D、have increased by

答案C

解析本题考查语法。since表示一直持续的动作，所以应该用完成时态，故B不正确；主语the number是单数，谓语动词也应该用单数，故D不正确；表示上升或下降的比率一般用介词by，故选C。

转载请注明原文地址:https://kaotiyun.com/show/VLMK777K

大学英语三级B级

相关试题推荐

随机试题

最新回复(0)