Now, some robots(机器人) are to do the same things people. A. enough smart, as B. smart enough , with C. smart enough , as
The teacher asked _______________.
We are very tired after a long walk. Let’s stop_________ a rest.
_______ it rained heavily, ________ all the students came to school on time.
We are looking forward to ____________ the Great Wall.
I spent all my free time ________ speaking English.