I have some problems _____ my Chinese learning. Can you help me with it?—Sure.[ ]
There are two new buildings near the sea, and ____of them are very tall.
I have a pet, ______ name is Polly.
The house they are living now is ______ our house.
Where_____ you _____ these days? I haven’t seen you long.—To Britain. I left for London two months ago and returned last week .