Jim______ to the shop. He’ll be back_____ an hour.
–I like English best. What about _______? –He thinks science is very interesting. His favorite subject is science.
–Who’s that boy? –Liang Bo. He is _____ very popular singer in Voice of China.
---Where do Tom and John sit ? --- Tom sits __________ of the room and John sits _________ of the room.
---Is Lucy ______ her homework? --- No , she ________ .
--- Shenzhen is a beautiful city. --- Yes. You can see a lot of flowers and trees on ________ of the streets .