Jawaban:

1. He looked happy yesterday afternoon.

(-) He looked unhappy yesterday afternoon

(?) Was he sick yesterday he looked happy? Yes, yesterday he was sick he looked happy

2. Pak Rahmad went to Jakarta last month.

(-) Mr. Rahmad didn't go to Jakarta last month

(?) did Mr. Rahmad go to Jakarta last month? Yes, he went

3. Mr. and Mrs. Bayu walk to school.

(-) Bayu's father and mother don't walk to school

(?) Do you go to school on foot? Yes, they walk

4. Mina and I came late yesterday.

(-) Mina and I didn't come late yesterday

(?) did mina and i leave late yesterday? yes, we left late

5. You got a great job last year.

(-) You didn't get a good job last year

(?) did you get a good job last year?yes i got it

Penjelasan:

this is it, sorry if it's wrong, and hope it helps