Mary writes e-mail to David. She found keys.

My brother has a ______ daughter. She’s kind and lovely.

Some scientists think that it may take ______ years to make robots look like people, and do the same things as us.

We can use Wechat（微信） to talk with each other online.—Really? Could you please show me how ______it?

What’s your new house like, John?-It’s a very nice one ________ a big garden.[ ]