我打算利用这个暑假好好补一补数学。

Wǒ dǎsuan lìyòng zhège shǔjià hǎohāo bǔ yì bǔ shùxué.

I plan to make good use of this summer vacation to catch up on math.

因为疫情，今年的暑假活动都改成了线上进行。

Yīnwèi yìqíng, jīnnián de shǔjià huódòng dōu gǎichéng le xiànshàng jìnxíng.

Because of the pandemic, all summer vacation activities this year have been moved online.

今年暑假你打算去哪里旅行？

Jīnnián shǔjià nǐ dǎsuàn qù nǎlǐ lǚxíng?

Where do you plan to travel this summer vacation?