a. I'm having a barbecue in the garden. Do you want to come?

b. I'm shopping at the mall. What about you?

c. What does your sister like doing in her free time?

d. We could go to either to the concert or to the opera. (câu này mk chưa chắc lắm)

e. Are you into playing badminton? (into = like)

f. Why don't we go to the water park?

g. We are going to meet in front of the movie theatre.

h. He does his homework by himself.

i. He likes collecting movie posters in his free time.

j. Would you like to go skateboarding?

=>
3/
a. I'm having a barbecue in the garden. Do you want to come?
b. I'm shopping at the mall. What about you?
c. What does your sister like doing in her free time?
d. We could go to the opera or we could go to the concert.
e. Are you interested in playing badminton?
f. Why don't we go to the water park?
g. We are going to meet in front of the movie theater.
h. He does his homework himself, nobody helps him.
i. He likes collecting movie posters in his free time.
j. Would you like to go skateboarding?