recent的副词形式怎么写

　　He's become the target for a lot of criticism recently.

　　他最近成了众矢之的。

　　He's had a really rough time recently.

　　他最近真是困难重重。

　　Have you used it recently?

　　你最近用过它吗？

　　They've been seeing a lot of each other recently.

　　他们近来老泡在一起。

　　The school has recently built a new gym.

　　学校最近新建了一个体育馆。