While the boy ______ down the street, the UFO _____ .
| A．was walking; was landing |
| B．walked; landed |
| C．was walking; landed |
| D．walked; was landing |
Mike promised ______ hard from now on.
| A．study | B．studying | C．to studies | D．to study |
We have a lot of homework______. We are very busy today.
| A．to do | B．doing | C．to doing | D．do |
Helen ______ books at the moment.
| A．reads | B．reading | C．is reading | D．will read |
—Lisa, are you going to play ______ violin after school this afternoon?
—No, and I’m going to play ______ chess with Tina.
| A．the; the | B．the; / | C．/; the | D．/; / |
—Is this your eraser?
—No, it isn’t______. I think it’s______.
| A．my; her | B．me; she | C．mine; her | D．mine; hers |