One of the most interesting places in Hangzhou ________ are often visited by foreigners is the West Lake.
You needn’t take an umbrella. It isn’t going to rain.—-Well, I don’t know. It_____do.
We can have ___ blue sky if we create ___ less polluted world.
She_______ go to bed_______ her mother came back.[ ]
There will _________ robots in people’s homes.