A farmer first 1 ______ Son Doong cave over thirty years ago.

• find

• found

• finding

Then

he ________ (visit) it 18 years later with some scientists.

I ________ (go) to the cave with my Mom and Dad

last year.

Did Linh buy a picture?

• No, she didn't.

• Yes, she did.

• Yes, she didn't.

Did Mom _____ in the book?

-____________________

• wrote / Yes, she did.

• write / Yes, she did.

• write / No, she didn't.

Did Khang _____ a jacket?

- _____________________

• wear / No, he didn't.

• wear / No, she didn't.

• wore / Yes, he did.

• wore, yes he did.

Did they go to the museum?

• Yes, they did.

• No, they didn't.

• Yes, they do.

• No, they don't.

Did you _____ lunch at the zoo?

• ate

• eat

• eating