Tom. Mary can’t open the box. can you give ______ a helping hand?

is it from Wuhan to Nanjing? —It’s about l,200 kilometers.[ ]

Where does Mr Green_______? -He lives in Beijing.

They had _____8-day holiday during this National holidays, but some of them felt unhappy because of _____heavy traffic on the highways.

Please look at the photosHainan.[ ]