The Greens used to live in London and now they ______ in Beijing.
Mr. Li often tells some jokes to make us_______.
It’s easy _____ a banana milk shake. Let me help you.
Anna is very busy these days, She has _____time to play with me.
---How many birds can you see in the trees? ---I can see ___birds in them.
---____will he come back from Kunming? ---In a week.