Her English isn't good,she needs to _____(提高) her listening skills.
问题描述:
Her English isn't good,she needs to _____(提高) her listening skills.
It _____ a lot since I left the city.
A.is changing B.changes
C.changed D.has changed
答
1.improve
2 D 有since 自从 前面一般用完成式