Jawaban:

1.

A. if i were you, i will join the english speech contest. because by joining the contest, i can develop my english speech tallent

B. tell the teacher

2.

A. perhaps we should finish the assignment before the due date

B. it would be better if you finish your work first and then you can go for holiday

C. i suppose Dewi should visit the doctor to see what's wrong with her stomach

D. i guess Deda should try to remember again where is the last time he put his phone

3.

A. may i give you a hand to collect the mangoes?

B. would you like i to bring the book for you?