— Listen! Can you hear something?
— Yeah, it could be some children outside.
| A．were playing | B．playing |
| C．to play | D．play |
Mrs. Bond is a good teacher, he is also an old friend of __________.
| A．Anna mother | B．Anna mother’s |
| C．Anna’s mother | D．Anna’s mother’s |
Look! A large group of birds are flying __________the mountain!
| A．past | B．through |
| C．over | D．across |
It’s important for us to keep food __________in the fridge, especially in summer.
| A．fresh | B．delicious |
| C．terrible | D．tasty |
-We have 7 people here , but the car only has 5 seats.
-I think we need to solve this __________now.
| A．matter | B．trouble |
| C．problem | D．question |
Her son began to play __________piano when he was only three. Now he’s very good at it .
| A．an | B．a | C．the | D．/ |