It’s going to rain.You should take umbrella.

Now, some robots are __ to do the same things _ _ people.

Why are you so tired these days?—Well, I have ________ homework to do.

Will there a football match on CCTV 5 this evening?—Yes. There usually football matches on Sunday evenings.

Mr. Li asks us to remember that __________ careful we are, _________ mistakes we will make.