`1.` hardly 

`-` Trước động từ "had" cần `1` trạng từ bổ nghĩa

`2.` boring 

`-` Trước danh từ "holiday" cần `1` tính từ bổ nghĩa

`3.` lately

`-` Sau trợ từ "been" cần `1` trạng từ bổ nghĩa

`4.` many

`-` many + N nhiều : nhiều

`5.` busy

`-` tobe busy with sth/V-ing : bận rộn làm gì

`6.` beautiful 

`-` Trước danh từ "day" cần `1` tính từ bổ nghĩa

Number 1: 

A:...

B: Oh, yes! I had a great time. I hardly had time to sleep!

A: That's great. I wish I could say the same but I had a very boring holiday.

Number 2:

A: hey Kate! Where have you been lately? I have called you many times in the past two weeks. You never answered your phone.

B: I'm sorry. I've been very busy with school and work. I'm free now though. Let's have lunch together. We can have a picnic in the park.

A: Well...okay! After all, it's a beautiful day!

@hera1706