In the word "frame" [fr] there is a case of ____ assimilation

You will hear four sentences. Now listen to THE FIRST sentence and write the number of the intonation group  

Автор картини "Дівчина в червоному капелюсі"

One

and the same attitudinal meaning of intonation may be combined with any

communicative type of the sentence.

What do the vowels [a:] and [ʌ] have in common?

How many sense-groups are there in sentence (2)?

(1)   

Good afternoon everyone and thank

you for coming. (2) I’m going to talk to you today about one of my hobbies,

baking. (3) I’ve loved baking since I was a child. (4) My grandmother taught me

to make simple biscuits and cakes, and later, when I was a teenager, I watched

a lot of TV programmes and online videos to learn how to make more complicated

ones. (5) What I like about baking is that’s it’s very creative and it makes

other people happy.

At the word boundary "that pen" [ðæp pen]  there is a case of ___ assimilation