$1 to do -> doing$

$2 less -> fewer $

$3 go always -> always do$

$4 of -> from$

$5 three - weeks$

$6 to do -> doing$

$7 happily -> happy$ 

$8 did -> bỏ$

$9 and -> with$

$10 what -> how$

Xin ctlhn

1 to do -> doing ( It + takes + SO + time + to V )

2 less -> fewer ( day là danh từ đếm được nên dùng "few" so sánh hơn -> fewer )

3 go always -> always do ( trạng từ tần suất đứng trước động từ thường )

4 of -> from ( apart from )

5 three - weeks -> three - week

6 to do -> doing ( S + spend + time + Ving )

7 happily -> happy ( look + adj )

8 did -> bỏ 

9 and -> with

10 what -> how