A computer ______ think for itself. It’s always told to do things.A. mustn’t B. can’t C. shouldn’t
It’s a long time ago ______ I saw you last time.
The boy ________ his book here and forgot ________ it home.
-Excuse me.Could you wake me up when my friend ______here? -Of course.But we still don’t know when your friend ____ here.
Eating healthy food can help us.
—I’m going to Sanya for my holiday tomorrow. —_______