All her energy ____________ (集中在学习上) so she had no time for any recreation activ

游客2023-07-14 40

问题 All her energy ____________ (集中在学习上) so she had no time for any recreation activities.

选项

答案 were concentrated on；were concentrated on focus on/upon或者concentrate on(集中精力做某事)

解析但是主语不是人，而是“她所有的精力”，所以要用被动。

转载请注明原文地址:http://tihaiku.com/zcyy/2834993.html

相关试题推荐

随机试题

最新回复(0)

Spaceisfilledwithradiantenergyandbeyondearth’satmospherethisenerg