15. Look at this sign. What does it mean?

A. The plane to NhaTrang City leaves at 4.20 p.m.  

B. The plane to Ha Noi leaves at 16.20         

C. The plane to NhaTrang City leaves on June 6      

D. The plane to NhaTrang City leaves on 6th of July

16. Look at this sign. What does it say?

A. A candidate has to write about a country in English.

B. A candidate has to write about trip to the country.

C. A candidate has to write about a country friend.

D. A candidate has to talk about a country picnic.